Home / 3,912.10-5,399.15-2,233.74

Finding the Fourth Proportional to 3,912.10, 5,399.15 and 2,233.74

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Solution

The fourth proportional to 3,912.10, 5,399.15 and 2,233.74 is: 3,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.10 : 5,399.15 = 2,233.74 : x
  2. Step 2: Convert to fraction form
    3,912.10/5,399.15 = 2,233.74/x
  3. Step 3: Cross multiply
    3,912.10x = 5,399.15 × 2,233.74
  4. Step 4: Simplify right side
    3,912.10x = 12,060,306.40
  5. Step 5: Solve for x
    x = 12,060,306.40/3,912.10
  6. Step 6: Final answer
    x = 3,082.82

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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.