Home / 3,306.96-4,961.43-2,072.61

Finding the Fourth Proportional to 3,306.96, 4,961.43 and 2,072.61

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Solution

The fourth proportional to 3,306.96, 4,961.43 and 2,072.61 is: 3,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.96 : 4,961.43 = 2,072.61 : x
  2. Step 2: Convert to fraction form
    3,306.96/4,961.43 = 2,072.61/x
  3. Step 3: Cross multiply
    3,306.96x = 4,961.43 × 2,072.61
  4. Step 4: Simplify right side
    3,306.96x = 10,283,109.43
  5. Step 5: Solve for x
    x = 10,283,109.43/3,306.96
  6. Step 6: Final answer
    x = 3,109.54

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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.