Home / 3,267.54-4,505.10-2,217.78

Finding the Fourth Proportional to 3,267.54, 4,505.10 and 2,217.78

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Solution

The fourth proportional to 3,267.54, 4,505.10 and 2,217.78 is: 3,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.54 : 4,505.10 = 2,217.78 : x
  2. Step 2: Convert to fraction form
    3,267.54/4,505.10 = 2,217.78/x
  3. Step 3: Cross multiply
    3,267.54x = 4,505.10 × 2,217.78
  4. Step 4: Simplify right side
    3,267.54x = 9,991,320.68
  5. Step 5: Solve for x
    x = 9,991,320.68/3,267.54
  6. Step 6: Final answer
    x = 3,057.75

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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.