Home / 5,230.04-7,217.52-2,872.16

Finding the Fourth Proportional to 5,230.04, 7,217.52 and 2,872.16

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Solution

The fourth proportional to 5,230.04, 7,217.52 and 2,872.16 is: 3,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.04 : 7,217.52 = 2,872.16 : x
  2. Step 2: Convert to fraction form
    5,230.04/7,217.52 = 2,872.16/x
  3. Step 3: Cross multiply
    5,230.04x = 7,217.52 × 2,872.16
  4. Step 4: Simplify right side
    5,230.04x = 20,729,872.24
  5. Step 5: Solve for x
    x = 20,729,872.24/5,230.04
  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.