Home / 15,397.20-23,095.79-3,710.42

Finding the Fourth Proportional to 15,397.20, 23,095.79 and 3,710.42

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Solution

The fourth proportional to 15,397.20, 23,095.79 and 3,710.42 is: 5,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.20 : 23,095.79 = 3,710.42 : x
  2. Step 2: Convert to fraction form
    15,397.20/23,095.79 = 3,710.42/x
  3. Step 3: Cross multiply
    15,397.20x = 23,095.79 × 3,710.42
  4. Step 4: Simplify right side
    15,397.20x = 85,694,974.93
  5. Step 5: Solve for x
    x = 85,694,974.93/15,397.20
  6. Step 6: Final answer
    x = 5,565.62

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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.