Home / 5,385.12-7,432.94-3,496.61

Finding the Fourth Proportional to 5,385.12, 7,432.94 and 3,496.61

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Solution

The fourth proportional to 5,385.12, 7,432.94 and 3,496.61 is: 4,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.12 : 7,432.94 = 3,496.61 : x
  2. Step 2: Convert to fraction form
    5,385.12/7,432.94 = 3,496.61/x
  3. Step 3: Cross multiply
    5,385.12x = 7,432.94 × 3,496.61
  4. Step 4: Simplify right side
    5,385.12x = 25,990,037.69
  5. Step 5: Solve for x
    x = 25,990,037.69/5,385.12
  6. Step 6: Final answer
    x = 4,826.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.