Home / 2,791.41-4,178.94-1,472.06

Finding the Fourth Proportional to 2,791.41, 4,178.94 and 1,472.06

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Solution

The fourth proportional to 2,791.41, 4,178.94 and 1,472.06 is: 2,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.41 : 4,178.94 = 1,472.06 : x
  2. Step 2: Convert to fraction form
    2,791.41/4,178.94 = 1,472.06/x
  3. Step 3: Cross multiply
    2,791.41x = 4,178.94 × 1,472.06
  4. Step 4: Simplify right side
    2,791.41x = 6,151,629.52
  5. Step 5: Solve for x
    x = 6,151,629.52/2,791.41
  6. Step 6: Final answer
    x = 2,203.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.