Advertisements
Advertisements
Question
Find the value of x, when 2.5 : 4 = x : 7.5.
Solution
We are given the proportion: `2.5/4 = x/7.5`
Cross-multiply to solve for x
2.5 × 7.5 = 4 × x
18.75 = 4x
`x = 18.75/4`
x = 4.6875
APPEARS IN
RELATED QUESTIONS
Find duplicate ratio of 3 : 4
A man's monthly inoome is Rs 5,000. He saves every month a minimum of R~ 800. Find the ratio of his:
Annual expenses to annual Income.
Find the reciprocal ratio of e following :
a3b2 : a2b3
Express the following ratios in its simplest form :
2.5 : 1.5
State true or false :
A ratio of 250 gm and 3 kg is 1 : 12.
Find the ratio between 3.5 m, 475 cm and 2.8 m
Express the given ratio in its simplest form: 3 hours : 1 day
The ratio between the prices of a scooter and a refrigerator is 4 : 1. If the scooter costs ₹ 45,000 more than the refrigerator, find the price of the refrigerator.
Find the fourth proportional of 4 hours 40 minutes, 1 hour 10 minutes and 16 hours.
Reduce the following ratio to their lowest term:
2 m 40 cm : 1 m 44 cm
Find the ratio of the first quantity to the second.
1 litre, 250 ml
Find the ratio of the first quantity to the second.
750 grams, `1/2` kg
From the given pairs, find which ratio is larger:
(3 : 7) or (4 : 9)
If the cost of 5 bars of soap is Rs 82.50, then the cost of one dozen such bars is
Prove that (5 : 6) > (3 : 4).
The ratio of 1 hour to one day is 1:1.
Ramesh earns Rs. 28000 per month. His wife Rama earns Rs. 36000 per month. Find the ratio of ramesh’s earnings to their total earnings
In the following figure, division represents 1 cm:
Express numerically the ratios of the following distances:
BF : AI
A typist has to type a manuscript of 40 pages. She has typed 30 pages of the manuscript. What is the ratio of the number of pages typed to the number of pages left?
Given below is a Mathematical term.
Find the ratio of consonants to vowels in the term.
