Home / 3,745.24-5,167.64-2,172.52

Finding the Fourth Proportional to 3,745.24, 5,167.64 and 2,172.52

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Solution

The fourth proportional to 3,745.24, 5,167.64 and 2,172.52 is: 2,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.24 : 5,167.64 = 2,172.52 : x
  2. Step 2: Convert to fraction form
    3,745.24/5,167.64 = 2,172.52/x
  3. Step 3: Cross multiply
    3,745.24x = 5,167.64 × 2,172.52
  4. Step 4: Simplify right side
    3,745.24x = 11,226,801.25
  5. Step 5: Solve for x
    x = 11,226,801.25/3,745.24
  6. Step 6: Final answer
    x = 2,997.62

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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.