Home / 5,327.56-7,986.66-2,205.58

Finding the Fourth Proportional to 5,327.56, 7,986.66 and 2,205.58

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Solution

The fourth proportional to 5,327.56, 7,986.66 and 2,205.58 is: 3,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.56 : 7,986.66 = 2,205.58 : x
  2. Step 2: Convert to fraction form
    5,327.56/7,986.66 = 2,205.58/x
  3. Step 3: Cross multiply
    5,327.56x = 7,986.66 × 2,205.58
  4. Step 4: Simplify right side
    5,327.56x = 17,615,217.56
  5. Step 5: Solve for x
    x = 17,615,217.56/5,327.56
  6. Step 6: Final answer
    x = 3,306.43

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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.