Home / 6,280.92-9,421.38-2,385.32

Finding the Fourth Proportional to 6,280.92, 9,421.38 and 2,385.32

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Solution

The fourth proportional to 6,280.92, 9,421.38 and 2,385.32 is: 3,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.92 : 9,421.38 = 2,385.32 : x
  2. Step 2: Convert to fraction form
    6,280.92/9,421.38 = 2,385.32/x
  3. Step 3: Cross multiply
    6,280.92x = 9,421.38 × 2,385.32
  4. Step 4: Simplify right side
    6,280.92x = 22,472,959.03
  5. Step 5: Solve for x
    x = 22,472,959.03/6,280.92
  6. Step 6: Final answer
    x = 3,577.97

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Double scale
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Similar ratio
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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.