Home / 6,261.97-8,641.52-3,904.12

Finding the Fourth Proportional to 6,261.97, 8,641.52 and 3,904.12

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Solution

The fourth proportional to 6,261.97, 8,641.52 and 3,904.12 is: 5,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.97 : 8,641.52 = 3,904.12 : x
  2. Step 2: Convert to fraction form
    6,261.97/8,641.52 = 3,904.12/x
  3. Step 3: Cross multiply
    6,261.97x = 8,641.52 × 3,904.12
  4. Step 4: Simplify right side
    6,261.97x = 33,737,531.06
  5. Step 5: Solve for x
    x = 33,737,531.06/6,261.97
  6. Step 6: Final answer
    x = 5,387.69

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Double scale
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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.