Home / 5,724.12-8,578.56-3,747.24

Finding the Fourth Proportional to 5,724.12, 8,578.56 and 3,747.24

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Solution

The fourth proportional to 5,724.12, 8,578.56 and 3,747.24 is: 5,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.12 : 8,578.56 = 3,747.24 : x
  2. Step 2: Convert to fraction form
    5,724.12/8,578.56 = 3,747.24/x
  3. Step 3: Cross multiply
    5,724.12x = 8,578.56 × 3,747.24
  4. Step 4: Simplify right side
    5,724.12x = 32,145,923.17
  5. Step 5: Solve for x
    x = 32,145,923.17/5,724.12
  6. Step 6: Final answer
    x = 5,615.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.