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Finding the Fourth Proportional to 3,775.38, 5,658.20 and 2,793.66

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Solution

The fourth proportional to 3,775.38, 5,658.20 and 2,793.66 is: 4,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.38 : 5,658.20 = 2,793.66 : x
  2. Step 2: Convert to fraction form
    3,775.38/5,658.20 = 2,793.66/x
  3. Step 3: Cross multiply
    3,775.38x = 5,658.20 × 2,793.66
  4. Step 4: Simplify right side
    3,775.38x = 15,807,087.01
  5. Step 5: Solve for x
    x = 15,807,087.01/3,775.38
  6. Step 6: Final answer
    x = 4,186.89

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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.