Home / 3,942.54-5,440.98-2,264.43

Finding the Fourth Proportional to 3,942.54, 5,440.98 and 2,264.43

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Solution

The fourth proportional to 3,942.54, 5,440.98 and 2,264.43 is: 3,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.54 : 5,440.98 = 2,264.43 : x
  2. Step 2: Convert to fraction form
    3,942.54/5,440.98 = 2,264.43/x
  3. Step 3: Cross multiply
    3,942.54x = 5,440.98 × 2,264.43
  4. Step 4: Simplify right side
    3,942.54x = 12,320,718.34
  5. Step 5: Solve for x
    x = 12,320,718.34/3,942.54
  6. Step 6: Final answer
    x = 3,125.07

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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.