Home / 7,581.38-11,372.06-2,387.25

Finding the Fourth Proportional to 7,581.38, 11,372.06 and 2,387.25

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Solution

The fourth proportional to 7,581.38, 11,372.06 and 2,387.25 is: 3,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.38 : 11,372.06 = 2,387.25 : x
  2. Step 2: Convert to fraction form
    7,581.38/11,372.06 = 2,387.25/x
  3. Step 3: Cross multiply
    7,581.38x = 11,372.06 × 2,387.25
  4. Step 4: Simplify right side
    7,581.38x = 27,147,956.20
  5. Step 5: Solve for x
    x = 27,147,956.20/7,581.38
  6. Step 6: Final answer
    x = 3,580.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.