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Finding the Fourth Proportional to 3,873.26, 5,345.26 and 2,545.94

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Solution

The fourth proportional to 3,873.26, 5,345.26 and 2,545.94 is: 3,513.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.26 : 5,345.26 = 2,545.94 : x
  2. Step 2: Convert to fraction form
    3,873.26/5,345.26 = 2,545.94/x
  3. Step 3: Cross multiply
    3,873.26x = 5,345.26 × 2,545.94
  4. Step 4: Simplify right side
    3,873.26x = 13,608,711.24
  5. Step 5: Solve for x
    x = 13,608,711.24/3,873.26
  6. Step 6: Final answer
    x = 3,513.50

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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.