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Finding the Fourth Proportional to 3,791.52, 5,232.13 and 2,113.11

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Solution

The fourth proportional to 3,791.52, 5,232.13 and 2,113.11 is: 2,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.52 : 5,232.13 = 2,113.11 : x
  2. Step 2: Convert to fraction form
    3,791.52/5,232.13 = 2,113.11/x
  3. Step 3: Cross multiply
    3,791.52x = 5,232.13 × 2,113.11
  4. Step 4: Simplify right side
    3,791.52x = 11,056,066.22
  5. Step 5: Solve for x
    x = 11,056,066.22/3,791.52
  6. Step 6: Final answer
    x = 2,916.00

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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.