Home / 2,974.14-4,104.43-1,647.74

Finding the Fourth Proportional to 2,974.14, 4,104.43 and 1,647.74

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Solution

The fourth proportional to 2,974.14, 4,104.43 and 1,647.74 is: 2,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.14 : 4,104.43 = 1,647.74 : x
  2. Step 2: Convert to fraction form
    2,974.14/4,104.43 = 1,647.74/x
  3. Step 3: Cross multiply
    2,974.14x = 4,104.43 × 1,647.74
  4. Step 4: Simplify right side
    2,974.14x = 6,763,039.63
  5. Step 5: Solve for x
    x = 6,763,039.63/2,974.14
  6. Step 6: Final answer
    x = 2,273.95

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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.