Home / 5,382.76-7,422.54-4,261.88

Finding the Fourth Proportional to 5,382.76, 7,422.54 and 4,261.88

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Solution

The fourth proportional to 5,382.76, 7,422.54 and 4,261.88 is: 5,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.76 : 7,422.54 = 4,261.88 : x
  2. Step 2: Convert to fraction form
    5,382.76/7,422.54 = 4,261.88/x
  3. Step 3: Cross multiply
    5,382.76x = 7,422.54 × 4,261.88
  4. Step 4: Simplify right side
    5,382.76x = 31,633,974.78
  5. Step 5: Solve for x
    x = 31,633,974.78/5,382.76
  6. Step 6: Final answer
    x = 5,876.91

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Half scale
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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.