Home / 5,447.60-7,517.76-3,089.72

Finding the Fourth Proportional to 5,447.60, 7,517.76 and 3,089.72

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Solution

The fourth proportional to 5,447.60, 7,517.76 and 3,089.72 is: 4,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.60 : 7,517.76 = 3,089.72 : x
  2. Step 2: Convert to fraction form
    5,447.60/7,517.76 = 3,089.72/x
  3. Step 3: Cross multiply
    5,447.60x = 7,517.76 × 3,089.72
  4. Step 4: Simplify right side
    5,447.60x = 23,227,773.43
  5. Step 5: Solve for x
    x = 23,227,773.43/5,447.60
  6. Step 6: Final answer
    x = 4,263.85

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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.