Home / 5,372.72-7,414.26-2,982.68

Finding the Fourth Proportional to 5,372.72, 7,414.26 and 2,982.68

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Solution

The fourth proportional to 5,372.72, 7,414.26 and 2,982.68 is: 4,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.72 : 7,414.26 = 2,982.68 : x
  2. Step 2: Convert to fraction form
    5,372.72/7,414.26 = 2,982.68/x
  3. Step 3: Cross multiply
    5,372.72x = 7,414.26 × 2,982.68
  4. Step 4: Simplify right side
    5,372.72x = 22,114,327.95
  5. Step 5: Solve for x
    x = 22,114,327.95/5,372.72
  6. Step 6: Final answer
    x = 4,116.04

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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.