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Finding the Fourth Proportional to 3,726.27, 5,582.12 and 2,856.33

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Solution

The fourth proportional to 3,726.27, 5,582.12 and 2,856.33 is: 4,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.27 : 5,582.12 = 2,856.33 : x
  2. Step 2: Convert to fraction form
    3,726.27/5,582.12 = 2,856.33/x
  3. Step 3: Cross multiply
    3,726.27x = 5,582.12 × 2,856.33
  4. Step 4: Simplify right side
    3,726.27x = 15,944,362.54
  5. Step 5: Solve for x
    x = 15,944,362.54/3,726.27
  6. Step 6: Final answer
    x = 4,278.91

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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.