Home / 5,229.44-7,217.07-2,872.01

Finding the Fourth Proportional to 5,229.44, 7,217.07 and 2,872.01

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Solution

The fourth proportional to 5,229.44, 7,217.07 and 2,872.01 is: 3,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.44 : 7,217.07 = 2,872.01 : x
  2. Step 2: Convert to fraction form
    5,229.44/7,217.07 = 2,872.01/x
  3. Step 3: Cross multiply
    5,229.44x = 7,217.07 × 2,872.01
  4. Step 4: Simplify right side
    5,229.44x = 20,727,497.21
  5. Step 5: Solve for x
    x = 20,727,497.21/5,229.44
  6. Step 6: Final answer
    x = 3,963.62

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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.