Home / 6,227.75-8,591.36-3,708.42

Finding the Fourth Proportional to 6,227.75, 8,591.36 and 3,708.42

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Solution

The fourth proportional to 6,227.75, 8,591.36 and 3,708.42 is: 5,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,227.75 : 8,591.36 = 3,708.42 : x
  2. Step 2: Convert to fraction form
    6,227.75/8,591.36 = 3,708.42/x
  3. Step 3: Cross multiply
    6,227.75x = 8,591.36 × 3,708.42
  4. Step 4: Simplify right side
    6,227.75x = 31,860,352.71
  5. Step 5: Solve for x
    x = 31,860,352.71/6,227.75
  6. Step 6: Final answer
    x = 5,115.87

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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.