Home / 3,910.92-5,398.20-2,233.24

Finding the Fourth Proportional to 3,910.92, 5,398.20 and 2,233.24

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Solution

The fourth proportional to 3,910.92, 5,398.20 and 2,233.24 is: 3,082.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.92 : 5,398.20 = 2,233.24 : x
  2. Step 2: Convert to fraction form
    3,910.92/5,398.20 = 2,233.24/x
  3. Step 3: Cross multiply
    3,910.92x = 5,398.20 × 2,233.24
  4. Step 4: Simplify right side
    3,910.92x = 12,055,476.17
  5. Step 5: Solve for x
    x = 12,055,476.17/3,910.92
  6. Step 6: Final answer
    x = 3,082.52

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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.