Home / 3,221.05-4,832.25-1,029.97

Finding the Fourth Proportional to 3,221.05, 4,832.25 and 1,029.97

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Solution

The fourth proportional to 3,221.05, 4,832.25 and 1,029.97 is: 1,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.05 : 4,832.25 = 1,029.97 : x
  2. Step 2: Convert to fraction form
    3,221.05/4,832.25 = 1,029.97/x
  3. Step 3: Cross multiply
    3,221.05x = 4,832.25 × 1,029.97
  4. Step 4: Simplify right side
    3,221.05x = 4,977,072.53
  5. Step 5: Solve for x
    x = 4,977,072.53/3,221.05
  6. Step 6: Final answer
    x = 1,545.17

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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.