Home / 3,472.29-4,791.57-2,146.11

Finding the Fourth Proportional to 3,472.29, 4,791.57 and 2,146.11

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Solution

The fourth proportional to 3,472.29, 4,791.57 and 2,146.11 is: 2,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.29 : 4,791.57 = 2,146.11 : x
  2. Step 2: Convert to fraction form
    3,472.29/4,791.57 = 2,146.11/x
  3. Step 3: Cross multiply
    3,472.29x = 4,791.57 × 2,146.11
  4. Step 4: Simplify right side
    3,472.29x = 10,283,236.29
  5. Step 5: Solve for x
    x = 10,283,236.29/3,472.29
  6. Step 6: Final answer
    x = 2,961.51

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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.