Home / 3,272.72-4,905.94-2,099.44

Finding the Fourth Proportional to 3,272.72, 4,905.94 and 2,099.44

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Solution

The fourth proportional to 3,272.72, 4,905.94 and 2,099.44 is: 3,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.72 : 4,905.94 = 2,099.44 : x
  2. Step 2: Convert to fraction form
    3,272.72/4,905.94 = 2,099.44/x
  3. Step 3: Cross multiply
    3,272.72x = 4,905.94 × 2,099.44
  4. Step 4: Simplify right side
    3,272.72x = 10,299,726.67
  5. Step 5: Solve for x
    x = 10,299,726.67/3,272.72
  6. Step 6: Final answer
    x = 3,147.15

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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.