Home / 7,700.92-11,552.40-2,505.04

Finding the Fourth Proportional to 7,700.92, 11,552.40 and 2,505.04

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Solution

The fourth proportional to 7,700.92, 11,552.40 and 2,505.04 is: 3,757.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.92 : 11,552.40 = 2,505.04 : x
  2. Step 2: Convert to fraction form
    7,700.92/11,552.40 = 2,505.04/x
  3. Step 3: Cross multiply
    7,700.92x = 11,552.40 × 2,505.04
  4. Step 4: Simplify right side
    7,700.92x = 28,939,224.10
  5. Step 5: Solve for x
    x = 28,939,224.10/7,700.92
  6. Step 6: Final answer
    x = 3,757.89

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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.