Home / 2,942.72-4,060.97-1,616.41

Finding the Fourth Proportional to 2,942.72, 4,060.97 and 1,616.41

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Solution

The fourth proportional to 2,942.72, 4,060.97 and 1,616.41 is: 2,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.72 : 4,060.97 = 1,616.41 : x
  2. Step 2: Convert to fraction form
    2,942.72/4,060.97 = 1,616.41/x
  3. Step 3: Cross multiply
    2,942.72x = 4,060.97 × 1,616.41
  4. Step 4: Simplify right side
    2,942.72x = 6,564,192.52
  5. Step 5: Solve for x
    x = 6,564,192.52/2,942.72
  6. Step 6: Final answer
    x = 2,230.65

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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.