Home / 3,371.04-5,054.40-1,422

Finding the Fourth Proportional to 3,371.04, 5,054.40 and 1,422

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Solution

The fourth proportional to 3,371.04, 5,054.40 and 1,422 is: 2,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.04 : 5,054.40 = 1,422 : x
  2. Step 2: Convert to fraction form
    3,371.04/5,054.40 = 1,422/x
  3. Step 3: Cross multiply
    3,371.04x = 5,054.40 × 1,422
  4. Step 4: Simplify right side
    3,371.04x = 7,187,356.80
  5. Step 5: Solve for x
    x = 7,187,356.80/3,371.04
  6. Step 6: Final answer
    x = 2,132.09

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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.