Home / 3,451.84-5,179.88-1,371.48

Finding the Fourth Proportional to 3,451.84, 5,179.88 and 1,371.48

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Solution

The fourth proportional to 3,451.84, 5,179.88 and 1,371.48 is: 2,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.84 : 5,179.88 = 1,371.48 : x
  2. Step 2: Convert to fraction form
    3,451.84/5,179.88 = 1,371.48/x
  3. Step 3: Cross multiply
    3,451.84x = 5,179.88 × 1,371.48
  4. Step 4: Simplify right side
    3,451.84x = 7,104,101.82
  5. Step 5: Solve for x
    x = 7,104,101.82/3,451.84
  6. Step 6: Final answer
    x = 2,058.06

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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.