Home / 4,143.24-5,714.82-3,966.12

Finding the Fourth Proportional to 4,143.24, 5,714.82 and 3,966.12

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Solution

The fourth proportional to 4,143.24, 5,714.82 and 3,966.12 is: 5,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.24 : 5,714.82 = 3,966.12 : x
  2. Step 2: Convert to fraction form
    4,143.24/5,714.82 = 3,966.12/x
  3. Step 3: Cross multiply
    4,143.24x = 5,714.82 × 3,966.12
  4. Step 4: Simplify right side
    4,143.24x = 22,665,661.90
  5. Step 5: Solve for x
    x = 22,665,661.90/4,143.24
  6. Step 6: Final answer
    x = 5,470.52

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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.