Home / 3,226.91-4,454.49-2,180.39

Finding the Fourth Proportional to 3,226.91, 4,454.49 and 2,180.39

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Solution

The fourth proportional to 3,226.91, 4,454.49 and 2,180.39 is: 3,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.91 : 4,454.49 = 2,180.39 : x
  2. Step 2: Convert to fraction form
    3,226.91/4,454.49 = 2,180.39/x
  3. Step 3: Cross multiply
    3,226.91x = 4,454.49 × 2,180.39
  4. Step 4: Simplify right side
    3,226.91x = 9,712,503.18
  5. Step 5: Solve for x
    x = 9,712,503.18/3,226.91
  6. Step 6: Final answer
    x = 3,009.85

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Half scale
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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.