Home / 5,084.76-7,010.64-3,891.27

Finding the Fourth Proportional to 5,084.76, 7,010.64 and 3,891.27

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Solution

The fourth proportional to 5,084.76, 7,010.64 and 3,891.27 is: 5,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.76 : 7,010.64 = 3,891.27 : x
  2. Step 2: Convert to fraction form
    5,084.76/7,010.64 = 3,891.27/x
  3. Step 3: Cross multiply
    5,084.76x = 7,010.64 × 3,891.27
  4. Step 4: Simplify right side
    5,084.76x = 27,280,293.11
  5. Step 5: Solve for x
    x = 27,280,293.11/5,084.76
  6. Step 6: Final answer
    x = 5,365.11

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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.