Home / 2,936.66-4,054.22-1,997.50

Finding the Fourth Proportional to 2,936.66, 4,054.22 and 1,997.50

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Solution

The fourth proportional to 2,936.66, 4,054.22 and 1,997.50 is: 2,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.66 : 4,054.22 = 1,997.50 : x
  2. Step 2: Convert to fraction form
    2,936.66/4,054.22 = 1,997.50/x
  3. Step 3: Cross multiply
    2,936.66x = 4,054.22 × 1,997.50
  4. Step 4: Simplify right side
    2,936.66x = 8,098,304.45
  5. Step 5: Solve for x
    x = 8,098,304.45/2,936.66
  6. Step 6: Final answer
    x = 2,757.66

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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.