Home / 5,230.14-7,217.50-2,872.24

Finding the Fourth Proportional to 5,230.14, 7,217.50 and 2,872.24

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Solution

The fourth proportional to 5,230.14, 7,217.50 and 2,872.24 is: 3,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.14 : 7,217.50 = 2,872.24 : x
  2. Step 2: Convert to fraction form
    5,230.14/7,217.50 = 2,872.24/x
  3. Step 3: Cross multiply
    5,230.14x = 7,217.50 × 2,872.24
  4. Step 4: Simplify right side
    5,230.14x = 20,730,392.20
  5. Step 5: Solve for x
    x = 20,730,392.20/5,230.14
  6. Step 6: Final answer
    x = 3,963.64

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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.