Home / 5,711.74-8,565.45-2,426.38

Finding the Fourth Proportional to 5,711.74, 8,565.45 and 2,426.38

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Solution

The fourth proportional to 5,711.74, 8,565.45 and 2,426.38 is: 3,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.74 : 8,565.45 = 2,426.38 : x
  2. Step 2: Convert to fraction form
    5,711.74/8,565.45 = 2,426.38/x
  3. Step 3: Cross multiply
    5,711.74x = 8,565.45 × 2,426.38
  4. Step 4: Simplify right side
    5,711.74x = 20,783,036.57
  5. Step 5: Solve for x
    x = 20,783,036.57/5,711.74
  6. Step 6: Final answer
    x = 3,638.65

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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.