Home / 3,310.26-4,966.20-1,089.06

Finding the Fourth Proportional to 3,310.26, 4,966.20 and 1,089.06

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Solution

The fourth proportional to 3,310.26, 4,966.20 and 1,089.06 is: 1,633.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.26 : 4,966.20 = 1,089.06 : x
  2. Step 2: Convert to fraction form
    3,310.26/4,966.20 = 1,089.06/x
  3. Step 3: Cross multiply
    3,310.26x = 4,966.20 × 1,089.06
  4. Step 4: Simplify right side
    3,310.26x = 5,408,489.77
  5. Step 5: Solve for x
    x = 5,408,489.77/3,310.26
  6. Step 6: Final answer
    x = 1,633.86

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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.