Home / 5,481.38-7,563.57-3,243.38

Finding the Fourth Proportional to 5,481.38, 7,563.57 and 3,243.38

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Solution

The fourth proportional to 5,481.38, 7,563.57 and 3,243.38 is: 4,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.38 : 7,563.57 = 3,243.38 : x
  2. Step 2: Convert to fraction form
    5,481.38/7,563.57 = 3,243.38/x
  3. Step 3: Cross multiply
    5,481.38x = 7,563.57 × 3,243.38
  4. Step 4: Simplify right side
    5,481.38x = 24,531,531.67
  5. Step 5: Solve for x
    x = 24,531,531.67/5,481.38
  6. Step 6: Final answer
    x = 4,475.43

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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.