Home / 6,143.52-8,475.66-3,454.13

Finding the Fourth Proportional to 6,143.52, 8,475.66 and 3,454.13

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Solution

The fourth proportional to 6,143.52, 8,475.66 and 3,454.13 is: 4,765.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.52 : 8,475.66 = 3,454.13 : x
  2. Step 2: Convert to fraction form
    6,143.52/8,475.66 = 3,454.13/x
  3. Step 3: Cross multiply
    6,143.52x = 8,475.66 × 3,454.13
  4. Step 4: Simplify right side
    6,143.52x = 29,275,989.10
  5. Step 5: Solve for x
    x = 29,275,989.10/6,143.52
  6. Step 6: Final answer
    x = 4,765.34

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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.