Home / 3,965.91-5,472.73-2,197.37

Finding the Fourth Proportional to 3,965.91, 5,472.73 and 2,197.37

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Solution

The fourth proportional to 3,965.91, 5,472.73 and 2,197.37 is: 3,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.91 : 5,472.73 = 2,197.37 : x
  2. Step 2: Convert to fraction form
    3,965.91/5,472.73 = 2,197.37/x
  3. Step 3: Cross multiply
    3,965.91x = 5,472.73 × 2,197.37
  4. Step 4: Simplify right side
    3,965.91x = 12,025,629.15
  5. Step 5: Solve for x
    x = 12,025,629.15/3,965.91
  6. Step 6: Final answer
    x = 3,032.25

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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.