Home / 5,531.22-8,298.18-1,635.66

Finding the Fourth Proportional to 5,531.22, 8,298.18 and 1,635.66

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Solution

The fourth proportional to 5,531.22, 8,298.18 and 1,635.66 is: 2,453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.22 : 8,298.18 = 1,635.66 : x
  2. Step 2: Convert to fraction form
    5,531.22/8,298.18 = 1,635.66/x
  3. Step 3: Cross multiply
    5,531.22x = 8,298.18 × 1,635.66
  4. Step 4: Simplify right side
    5,531.22x = 13,573,001.10
  5. Step 5: Solve for x
    x = 13,573,001.10/5,531.22
  6. Step 6: Final answer
    x = 2,453.89

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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.