Home / 2,942.66-4,060.85-1,616.36

Finding the Fourth Proportional to 2,942.66, 4,060.85 and 1,616.36

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Solution

The fourth proportional to 2,942.66, 4,060.85 and 1,616.36 is: 2,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.66 : 4,060.85 = 1,616.36 : x
  2. Step 2: Convert to fraction form
    2,942.66/4,060.85 = 1,616.36/x
  3. Step 3: Cross multiply
    2,942.66x = 4,060.85 × 1,616.36
  4. Step 4: Simplify right side
    2,942.66x = 6,563,767.12
  5. Step 5: Solve for x
    x = 6,563,767.12/2,942.66
  6. Step 6: Final answer
    x = 2,230.56

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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.