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Finding the Fourth Proportional to 5,338.62, 7,993.94 and 3,770.15

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Solution

The fourth proportional to 5,338.62, 7,993.94 and 3,770.15 is: 5,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.62 : 7,993.94 = 3,770.15 : x
  2. Step 2: Convert to fraction form
    5,338.62/7,993.94 = 3,770.15/x
  3. Step 3: Cross multiply
    5,338.62x = 7,993.94 × 3,770.15
  4. Step 4: Simplify right side
    5,338.62x = 30,138,294.07
  5. Step 5: Solve for x
    x = 30,138,294.07/5,338.62
  6. Step 6: Final answer
    x = 5,645.33

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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.