Home / 5,445.54-7,514.57-3,087.69

Finding the Fourth Proportional to 5,445.54, 7,514.57 and 3,087.69

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Solution

The fourth proportional to 5,445.54, 7,514.57 and 3,087.69 is: 4,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.54 : 7,514.57 = 3,087.69 : x
  2. Step 2: Convert to fraction form
    5,445.54/7,514.57 = 3,087.69/x
  3. Step 3: Cross multiply
    5,445.54x = 7,514.57 × 3,087.69
  4. Step 4: Simplify right side
    5,445.54x = 23,202,647.20
  5. Step 5: Solve for x
    x = 23,202,647.20/5,445.54
  6. Step 6: Final answer
    x = 4,260.85

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.