Home / 5,197.44-7,172.76-4,847.52

Finding the Fourth Proportional to 5,197.44, 7,172.76 and 4,847.52

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Solution

The fourth proportional to 5,197.44, 7,172.76 and 4,847.52 is: 6,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.44 : 7,172.76 = 4,847.52 : x
  2. Step 2: Convert to fraction form
    5,197.44/7,172.76 = 4,847.52/x
  3. Step 3: Cross multiply
    5,197.44x = 7,172.76 × 4,847.52
  4. Step 4: Simplify right side
    5,197.44x = 34,770,097.56
  5. Step 5: Solve for x
    x = 34,770,097.56/5,197.44
  6. Step 6: Final answer
    x = 6,689.85

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1.5x scale

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.