Home / 3,197.78-4,414.96-2,191.19

Finding the Fourth Proportional to 3,197.78, 4,414.96 and 2,191.19

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Solution

The fourth proportional to 3,197.78, 4,414.96 and 2,191.19 is: 3,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.78 : 4,414.96 = 2,191.19 : x
  2. Step 2: Convert to fraction form
    3,197.78/4,414.96 = 2,191.19/x
  3. Step 3: Cross multiply
    3,197.78x = 4,414.96 × 2,191.19
  4. Step 4: Simplify right side
    3,197.78x = 9,673,988.65
  5. Step 5: Solve for x
    x = 9,673,988.65/3,197.78
  6. Step 6: Final answer
    x = 3,025.22

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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.