Home / 5,247.17-7,872.11-1,549.25

Finding the Fourth Proportional to 5,247.17, 7,872.11 and 1,549.25

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Solution

The fourth proportional to 5,247.17, 7,872.11 and 1,549.25 is: 2,324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.17 : 7,872.11 = 1,549.25 : x
  2. Step 2: Convert to fraction form
    5,247.17/7,872.11 = 1,549.25/x
  3. Step 3: Cross multiply
    5,247.17x = 7,872.11 × 1,549.25
  4. Step 4: Simplify right side
    5,247.17x = 12,195,819.31
  5. Step 5: Solve for x
    x = 12,195,819.31/5,247.17
  6. Step 6: Final answer
    x = 2,324.27

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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.