Home / 3,166.78-4,747.04-2,726.50

Finding the Fourth Proportional to 3,166.78, 4,747.04 and 2,726.50

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Solution

The fourth proportional to 3,166.78, 4,747.04 and 2,726.50 is: 4,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.78 : 4,747.04 = 2,726.50 : x
  2. Step 2: Convert to fraction form
    3,166.78/4,747.04 = 2,726.50/x
  3. Step 3: Cross multiply
    3,166.78x = 4,747.04 × 2,726.50
  4. Step 4: Simplify right side
    3,166.78x = 12,942,804.56
  5. Step 5: Solve for x
    x = 12,942,804.56/3,166.78
  6. Step 6: Final answer
    x = 4,087.06

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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.