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Finding the Fourth Proportional to 3,372.69, 4,655.10 and 2,191.71

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Solution

The fourth proportional to 3,372.69, 4,655.10 and 2,191.71 is: 3,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.69 : 4,655.10 = 2,191.71 : x
  2. Step 2: Convert to fraction form
    3,372.69/4,655.10 = 2,191.71/x
  3. Step 3: Cross multiply
    3,372.69x = 4,655.10 × 2,191.71
  4. Step 4: Simplify right side
    3,372.69x = 10,202,629.22
  5. Step 5: Solve for x
    x = 10,202,629.22/3,372.69
  6. Step 6: Final answer
    x = 3,025.07

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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.