Home / 4,123.60-5,691.12-2,446.48

Finding the Fourth Proportional to 4,123.60, 5,691.12 and 2,446.48

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Solution

The fourth proportional to 4,123.60, 5,691.12 and 2,446.48 is: 3,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.60 : 5,691.12 = 2,446.48 : x
  2. Step 2: Convert to fraction form
    4,123.60/5,691.12 = 2,446.48/x
  3. Step 3: Cross multiply
    4,123.60x = 5,691.12 × 2,446.48
  4. Step 4: Simplify right side
    4,123.60x = 13,923,211.26
  5. Step 5: Solve for x
    x = 13,923,211.26/4,123.60
  6. Step 6: Final answer
    x = 3,376.47

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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.