Home / 5,244.18-7,863.97-2,778.44

Finding the Fourth Proportional to 5,244.18, 7,863.97 and 2,778.44

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Solution

The fourth proportional to 5,244.18, 7,863.97 and 2,778.44 is: 4,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.18 : 7,863.97 = 2,778.44 : x
  2. Step 2: Convert to fraction form
    5,244.18/7,863.97 = 2,778.44/x
  3. Step 3: Cross multiply
    5,244.18x = 7,863.97 × 2,778.44
  4. Step 4: Simplify right side
    5,244.18x = 21,849,522.54
  5. Step 5: Solve for x
    x = 21,849,522.54/5,244.18
  6. Step 6: Final answer
    x = 4,166.43

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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.