Home / 5,144.33-7,716.50-1,248.74

Finding the Fourth Proportional to 5,144.33, 7,716.50 and 1,248.74

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Solution

The fourth proportional to 5,144.33, 7,716.50 and 1,248.74 is: 1,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.33 : 7,716.50 = 1,248.74 : x
  2. Step 2: Convert to fraction form
    5,144.33/7,716.50 = 1,248.74/x
  3. Step 3: Cross multiply
    5,144.33x = 7,716.50 × 1,248.74
  4. Step 4: Simplify right side
    5,144.33x = 9,635,857.38
  5. Step 5: Solve for x
    x = 9,635,857.38/5,144.33
  6. Step 6: Final answer
    x = 1,873.10

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Double scale
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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.