Home / 5,327.73-7,991.19-2,205.81

Finding the Fourth Proportional to 5,327.73, 7,991.19 and 2,205.81

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Solution

The fourth proportional to 5,327.73, 7,991.19 and 2,205.81 is: 3,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.73 : 7,991.19 = 2,205.81 : x
  2. Step 2: Convert to fraction form
    5,327.73/7,991.19 = 2,205.81/x
  3. Step 3: Cross multiply
    5,327.73x = 7,991.19 × 2,205.81
  4. Step 4: Simplify right side
    5,327.73x = 17,627,046.81
  5. Step 5: Solve for x
    x = 17,627,046.81/5,327.73
  6. Step 6: Final answer
    x = 3,308.55

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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.