Home / 3,226.72-4,454.40-2,180.48

Finding the Fourth Proportional to 3,226.72, 4,454.40 and 2,180.48

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Solution

The fourth proportional to 3,226.72, 4,454.40 and 2,180.48 is: 3,010.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.72 : 4,454.40 = 2,180.48 : x
  2. Step 2: Convert to fraction form
    3,226.72/4,454.40 = 2,180.48/x
  3. Step 3: Cross multiply
    3,226.72x = 4,454.40 × 2,180.48
  4. Step 4: Simplify right side
    3,226.72x = 9,712,730.11
  5. Step 5: Solve for x
    x = 9,712,730.11/3,226.72
  6. Step 6: Final answer
    x = 3,010.09

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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.