Home / 3,974.85-5,966.43-2,936.02

Finding the Fourth Proportional to 3,974.85, 5,966.43 and 2,936.02

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Solution

The fourth proportional to 3,974.85, 5,966.43 and 2,936.02 is: 4,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.85 : 5,966.43 = 2,936.02 : x
  2. Step 2: Convert to fraction form
    3,974.85/5,966.43 = 2,936.02/x
  3. Step 3: Cross multiply
    3,974.85x = 5,966.43 × 2,936.02
  4. Step 4: Simplify right side
    3,974.85x = 17,517,557.81
  5. Step 5: Solve for x
    x = 17,517,557.81/3,974.85
  6. Step 6: Final answer
    x = 4,407.10

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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.