Home / 1,974.41-2,723.70-1,177.17

Finding the Fourth Proportional to 1,974.41, 2,723.70 and 1,177.17

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Solution

The fourth proportional to 1,974.41, 2,723.70 and 1,177.17 is: 1,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.41 : 2,723.70 = 1,177.17 : x
  2. Step 2: Convert to fraction form
    1,974.41/2,723.70 = 1,177.17/x
  3. Step 3: Cross multiply
    1,974.41x = 2,723.70 × 1,177.17
  4. Step 4: Simplify right side
    1,974.41x = 3,206,253.17
  5. Step 5: Solve for x
    x = 3,206,253.17/1,974.41
  6. Step 6: Final answer
    x = 1,623.91

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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.