Home / 3,176.82-4,381.02-2,180.52

Finding the Fourth Proportional to 3,176.82, 4,381.02 and 2,180.52

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Solution

The fourth proportional to 3,176.82, 4,381.02 and 2,180.52 is: 3,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.82 : 4,381.02 = 2,180.52 : x
  2. Step 2: Convert to fraction form
    3,176.82/4,381.02 = 2,180.52/x
  3. Step 3: Cross multiply
    3,176.82x = 4,381.02 × 2,180.52
  4. Step 4: Simplify right side
    3,176.82x = 9,552,901.73
  5. Step 5: Solve for x
    x = 9,552,901.73/3,176.82
  6. Step 6: Final answer
    x = 3,007.06

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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.