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Finding the Fourth Proportional to 3,799.54, 5,237.62 and 2,958.76

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Solution

The fourth proportional to 3,799.54, 5,237.62 and 2,958.76 is: 4,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.54 : 5,237.62 = 2,958.76 : x
  2. Step 2: Convert to fraction form
    3,799.54/5,237.62 = 2,958.76/x
  3. Step 3: Cross multiply
    3,799.54x = 5,237.62 × 2,958.76
  4. Step 4: Simplify right side
    3,799.54x = 15,496,845.76
  5. Step 5: Solve for x
    x = 15,496,845.76/3,799.54
  6. Step 6: Final answer
    x = 4,078.61

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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.