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Finding the Fourth Proportional to 3,371.67, 4,652.96 and 1,879.65

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Solution

The fourth proportional to 3,371.67, 4,652.96 and 1,879.65 is: 2,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.67 : 4,652.96 = 1,879.65 : x
  2. Step 2: Convert to fraction form
    3,371.67/4,652.96 = 1,879.65/x
  3. Step 3: Cross multiply
    3,371.67x = 4,652.96 × 1,879.65
  4. Step 4: Simplify right side
    3,371.67x = 8,745,926.87
  5. Step 5: Solve for x
    x = 8,745,926.87/3,371.67
  6. Step 6: Final answer
    x = 2,593.95

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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.