Home / 3,481.86-5,227.25-2,991.41

Finding the Fourth Proportional to 3,481.86, 5,227.25 and 2,991.41

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Solution

The fourth proportional to 3,481.86, 5,227.25 and 2,991.41 is: 4,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.86 : 5,227.25 = 2,991.41 : x
  2. Step 2: Convert to fraction form
    3,481.86/5,227.25 = 2,991.41/x
  3. Step 3: Cross multiply
    3,481.86x = 5,227.25 × 2,991.41
  4. Step 4: Simplify right side
    3,481.86x = 15,636,847.92
  5. Step 5: Solve for x
    x = 15,636,847.92/3,481.86
  6. Step 6: Final answer
    x = 4,490.95

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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.