Home / 5,515.92-8,257.68-3,562.56

Finding the Fourth Proportional to 5,515.92, 8,257.68 and 3,562.56

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Solution

The fourth proportional to 5,515.92, 8,257.68 and 3,562.56 is: 5,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.92 : 8,257.68 = 3,562.56 : x
  2. Step 2: Convert to fraction form
    5,515.92/8,257.68 = 3,562.56/x
  3. Step 3: Cross multiply
    5,515.92x = 8,257.68 × 3,562.56
  4. Step 4: Simplify right side
    5,515.92x = 29,418,480.46
  5. Step 5: Solve for x
    x = 29,418,480.46/5,515.92
  6. Step 6: Final answer
    x = 5,333.38

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1.5x scale

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.