Home / 6,276.92-8,648.30-4,177.40

Finding the Fourth Proportional to 6,276.92, 8,648.30 and 4,177.40

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Solution

The fourth proportional to 6,276.92, 8,648.30 and 4,177.40 is: 5,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.92 : 8,648.30 = 4,177.40 : x
  2. Step 2: Convert to fraction form
    6,276.92/8,648.30 = 4,177.40/x
  3. Step 3: Cross multiply
    6,276.92x = 8,648.30 × 4,177.40
  4. Step 4: Simplify right side
    6,276.92x = 36,127,375.62
  5. Step 5: Solve for x
    x = 36,127,375.62/6,276.92
  6. Step 6: Final answer
    x = 5,755.59

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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.