Home / 7,753.10-11,629.47-2,488.13

Finding the Fourth Proportional to 7,753.10, 11,629.47 and 2,488.13

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Solution

The fourth proportional to 7,753.10, 11,629.47 and 2,488.13 is: 3,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.10 : 11,629.47 = 2,488.13 : x
  2. Step 2: Convert to fraction form
    7,753.10/11,629.47 = 2,488.13/x
  3. Step 3: Cross multiply
    7,753.10x = 11,629.47 × 2,488.13
  4. Step 4: Simplify right side
    7,753.10x = 28,935,575.04
  5. Step 5: Solve for x
    x = 28,935,575.04/7,753.10
  6. Step 6: Final answer
    x = 3,732.13

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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.