Home / 5,472.12-8,201.49-2,137.26

Finding the Fourth Proportional to 5,472.12, 8,201.49 and 2,137.26

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Solution

The fourth proportional to 5,472.12, 8,201.49 and 2,137.26 is: 3,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.12 : 8,201.49 = 2,137.26 : x
  2. Step 2: Convert to fraction form
    5,472.12/8,201.49 = 2,137.26/x
  3. Step 3: Cross multiply
    5,472.12x = 8,201.49 × 2,137.26
  4. Step 4: Simplify right side
    5,472.12x = 17,528,716.52
  5. Step 5: Solve for x
    x = 17,528,716.52/5,472.12
  6. Step 6: Final answer
    x = 3,203.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.