Home / 5,737.91-7,917.75-3,220.43

Finding the Fourth Proportional to 5,737.91, 7,917.75 and 3,220.43

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Solution

The fourth proportional to 5,737.91, 7,917.75 and 3,220.43 is: 4,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.91 : 7,917.75 = 3,220.43 : x
  2. Step 2: Convert to fraction form
    5,737.91/7,917.75 = 3,220.43/x
  3. Step 3: Cross multiply
    5,737.91x = 7,917.75 × 3,220.43
  4. Step 4: Simplify right side
    5,737.91x = 25,498,520.04
  5. Step 5: Solve for x
    x = 25,498,520.04/5,737.91
  6. Step 6: Final answer
    x = 4,443.87

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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.