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Mathematics

If x, 5.4, 5, 9 are in proportion, then x is equal to:

  1. 3

  2. 9.72

  3. 25

  4. 253\dfrac{25}{3}

Ratio Proportion

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Answer

Given,

x, 5.4, 5, 9 are in proportion.

⇒ x5.4=59\dfrac{x}{5.4} = \dfrac{5}{9}

⇒ x=59×5.4x = \dfrac{5}{9} \times 5.4

⇒ x = 0.6 × 5

⇒ x = 3.

Hence, option 1 is the correct option.

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