Home / 5,197.18-7,791.66-2,730.66

Finding the Fourth Proportional to 5,197.18, 7,791.66 and 2,730.66

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Solution

The fourth proportional to 5,197.18, 7,791.66 and 2,730.66 is: 4,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.18 : 7,791.66 = 2,730.66 : x
  2. Step 2: Convert to fraction form
    5,197.18/7,791.66 = 2,730.66/x
  3. Step 3: Cross multiply
    5,197.18x = 7,791.66 × 2,730.66
  4. Step 4: Simplify right side
    5,197.18x = 21,276,388.90
  5. Step 5: Solve for x
    x = 21,276,388.90/5,197.18
  6. Step 6: Final answer
    x = 4,093.83

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1.5x scale

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.