Which of the following numbers will come in the place of x in the given equation?
0.3 : 4.8 : : 0.2 : x
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 3.2.
Given ratio: 0.3 : 4.8 :: 0.2 : x
Set up proportion: 0.3 / 4.8 = 0.2 / x
Cross multiply:
0.3 × x = 0.2 × 4.8
0.3x = 0.96
x = 0.96 / 0.3 = 3.2