Home / 3,751.24-5,176.26-2,179

Finding the Fourth Proportional to 3,751.24, 5,176.26 and 2,179

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Solution

The fourth proportional to 3,751.24, 5,176.26 and 2,179 is: 3,006.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.24 : 5,176.26 = 2,179 : x
  2. Step 2: Convert to fraction form
    3,751.24/5,176.26 = 2,179/x
  3. Step 3: Cross multiply
    3,751.24x = 5,176.26 × 2,179
  4. Step 4: Simplify right side
    3,751.24x = 11,279,070.54
  5. Step 5: Solve for x
    x = 11,279,070.54/3,751.24
  6. Step 6: Final answer
    x = 3,006.76

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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.