Question

find the value of x ,when 2.5 :4=x:7.5

Answer 1

2.5:4 = x:7.5
2.5/4 = x/7.5
4x = 7.5 × 2.5
x = 18.75/4
x = 4.687........

Answer 2

Answer:

We know that,

Product of mean=product of extremes

4 × x =2.5 × 7.5

x = 2.5 × 7.5

_______

4

x =2.5 × 10 × 7.5×10

______________

4×10×10

x = 25×75

_____ [cancel ]

400

x = 75/16 = 4 11/6

Or in decimals=4.6875

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