Home / 4,879-6,731.18-3,201.33

Finding the Fourth Proportional to 4,879, 6,731.18 and 3,201.33

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Solution

The fourth proportional to 4,879, 6,731.18 and 3,201.33 is: 4,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879 : 6,731.18 = 3,201.33 : x
  2. Step 2: Convert to fraction form
    4,879/6,731.18 = 3,201.33/x
  3. Step 3: Cross multiply
    4,879x = 6,731.18 × 3,201.33
  4. Step 4: Simplify right side
    4,879x = 21,548,753.30
  5. Step 5: Solve for x
    x = 21,548,753.30/4,879
  6. Step 6: Final answer
    x = 4,416.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.