Home / 5,591.50-7,719.51-3,731.74

Finding the Fourth Proportional to 5,591.50, 7,719.51 and 3,731.74

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Solution

The fourth proportional to 5,591.50, 7,719.51 and 3,731.74 is: 5,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.50 : 7,719.51 = 3,731.74 : x
  2. Step 2: Convert to fraction form
    5,591.50/7,719.51 = 3,731.74/x
  3. Step 3: Cross multiply
    5,591.50x = 7,719.51 × 3,731.74
  4. Step 4: Simplify right side
    5,591.50x = 28,807,204.25
  5. Step 5: Solve for x
    x = 28,807,204.25/5,591.50
  6. Step 6: Final answer
    x = 5,151.96

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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.