Home / 5,513.18-7,608.58-3,123.14

Finding the Fourth Proportional to 5,513.18, 7,608.58 and 3,123.14

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Solution

The fourth proportional to 5,513.18, 7,608.58 and 3,123.14 is: 4,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.18 : 7,608.58 = 3,123.14 : x
  2. Step 2: Convert to fraction form
    5,513.18/7,608.58 = 3,123.14/x
  3. Step 3: Cross multiply
    5,513.18x = 7,608.58 × 3,123.14
  4. Step 4: Simplify right side
    5,513.18x = 23,762,614.69
  5. Step 5: Solve for x
    x = 23,762,614.69/5,513.18
  6. Step 6: Final answer
    x = 4,310.14

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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.