Home / 5,672.43-8,508.36-2,381.61

Finding the Fourth Proportional to 5,672.43, 8,508.36 and 2,381.61

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Solution

The fourth proportional to 5,672.43, 8,508.36 and 2,381.61 is: 3,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.43 : 8,508.36 = 2,381.61 : x
  2. Step 2: Convert to fraction form
    5,672.43/8,508.36 = 2,381.61/x
  3. Step 3: Cross multiply
    5,672.43x = 8,508.36 × 2,381.61
  4. Step 4: Simplify right side
    5,672.43x = 20,263,595.26
  5. Step 5: Solve for x
    x = 20,263,595.26/5,672.43
  6. Step 6: Final answer
    x = 3,572.30

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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.