Home / 7,767.92-11,654.14-2,502.80

Finding the Fourth Proportional to 7,767.92, 11,654.14 and 2,502.80

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Solution

The fourth proportional to 7,767.92, 11,654.14 and 2,502.80 is: 3,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.92 : 11,654.14 = 2,502.80 : x
  2. Step 2: Convert to fraction form
    7,767.92/11,654.14 = 2,502.80/x
  3. Step 3: Cross multiply
    7,767.92x = 11,654.14 × 2,502.80
  4. Step 4: Simplify right side
    7,767.92x = 29,167,981.59
  5. Step 5: Solve for x
    x = 29,167,981.59/7,767.92
  6. Step 6: Final answer
    x = 3,754.93

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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.