Home / 5,161.94-7,125.11-3,298.94

Finding the Fourth Proportional to 5,161.94, 7,125.11 and 3,298.94

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Solution

The fourth proportional to 5,161.94, 7,125.11 and 3,298.94 is: 4,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.94 : 7,125.11 = 3,298.94 : x
  2. Step 2: Convert to fraction form
    5,161.94/7,125.11 = 3,298.94/x
  3. Step 3: Cross multiply
    5,161.94x = 7,125.11 × 3,298.94
  4. Step 4: Simplify right side
    5,161.94x = 23,505,310.38
  5. Step 5: Solve for x
    x = 23,505,310.38/5,161.94
  6. Step 6: Final answer
    x = 4,553.58

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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.