Home / 3,551.74-5,327.61-1,086.58

Finding the Fourth Proportional to 3,551.74, 5,327.61 and 1,086.58

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Solution

The fourth proportional to 3,551.74, 5,327.61 and 1,086.58 is: 1,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.74 : 5,327.61 = 1,086.58 : x
  2. Step 2: Convert to fraction form
    3,551.74/5,327.61 = 1,086.58/x
  3. Step 3: Cross multiply
    3,551.74x = 5,327.61 × 1,086.58
  4. Step 4: Simplify right side
    3,551.74x = 5,788,874.47
  5. Step 5: Solve for x
    x = 5,788,874.47/3,551.74
  6. Step 6: Final answer
    x = 1,629.87

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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.