Home / 5,227.66-7,217.40-3,633.78

Finding the Fourth Proportional to 5,227.66, 7,217.40 and 3,633.78

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Solution

The fourth proportional to 5,227.66, 7,217.40 and 3,633.78 is: 5,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.66 : 7,217.40 = 3,633.78 : x
  2. Step 2: Convert to fraction form
    5,227.66/7,217.40 = 3,633.78/x
  3. Step 3: Cross multiply
    5,227.66x = 7,217.40 × 3,633.78
  4. Step 4: Simplify right side
    5,227.66x = 26,226,443.77
  5. Step 5: Solve for x
    x = 26,226,443.77/5,227.66
  6. Step 6: Final answer
    x = 5,016.86

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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.