Home / 5,198.10-7,794.72-3,091.92

Finding the Fourth Proportional to 5,198.10, 7,794.72 and 3,091.92

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Solution

The fourth proportional to 5,198.10, 7,794.72 and 3,091.92 is: 4,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.10 : 7,794.72 = 3,091.92 : x
  2. Step 2: Convert to fraction form
    5,198.10/7,794.72 = 3,091.92/x
  3. Step 3: Cross multiply
    5,198.10x = 7,794.72 × 3,091.92
  4. Step 4: Simplify right side
    5,198.10x = 24,100,650.66
  5. Step 5: Solve for x
    x = 24,100,650.66/5,198.10
  6. Step 6: Final answer
    x = 4,636.43

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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.