Question

If $1.5,4.5,x,7.5$ are in proportion then the value of the$x$is 2.5

• A. True
• B. False

Answer 1

The correct option is A True

Given $1.5:4.5::x:7.5$.

Applying the rule, product of
extremes $=$ product of means
$1.5\times 7.5=4.5\times x$

$x=\frac{1.5\times 7.5}{4.5}$

$x=2.5$