Home / 3,713.92-5,125.05-2,220.96

Finding the Fourth Proportional to 3,713.92, 5,125.05 and 2,220.96

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Solution

The fourth proportional to 3,713.92, 5,125.05 and 2,220.96 is: 3,064.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.92 : 5,125.05 = 2,220.96 : x
  2. Step 2: Convert to fraction form
    3,713.92/5,125.05 = 2,220.96/x
  3. Step 3: Cross multiply
    3,713.92x = 5,125.05 × 2,220.96
  4. Step 4: Simplify right side
    3,713.92x = 11,382,505.42
  5. Step 5: Solve for x
    x = 11,382,505.42/3,713.92
  6. Step 6: Final answer
    x = 3,064.82

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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.