Home / 3,197.65-4,414.79-2,191.06

Finding the Fourth Proportional to 3,197.65, 4,414.79 and 2,191.06

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Solution

The fourth proportional to 3,197.65, 4,414.79 and 2,191.06 is: 3,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.65 : 4,414.79 = 2,191.06 : x
  2. Step 2: Convert to fraction form
    3,197.65/4,414.79 = 2,191.06/x
  3. Step 3: Cross multiply
    3,197.65x = 4,414.79 × 2,191.06
  4. Step 4: Simplify right side
    3,197.65x = 9,673,069.78
  5. Step 5: Solve for x
    x = 9,673,069.78/3,197.65
  6. Step 6: Final answer
    x = 3,025.06

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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.