how to fourth propotional
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how to find fourth propotional
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FINDING THE 4TH PROPORTIONAL IS EASY.IF WE ARE GIVEN A RATIO SUCH THAT
A:B::C:D D IS THE 4TH PROPORTIONAL.
⇒A*D=B*C
THEREFORE D(4TH PROPORTIONAL)=B*C
A
EG 2:7::34:X
⇒ X= 34 * 7 = 119
2
A:B::C:D D IS THE 4TH PROPORTIONAL.
⇒A*D=B*C
THEREFORE D(4TH PROPORTIONAL)=B*C
A
EG 2:7::34:X
⇒ X= 34 * 7 = 119
2
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