Home / 3,575.82-5,371.95-2,116.02

Finding the Fourth Proportional to 3,575.82, 5,371.95 and 2,116.02

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Solution

The fourth proportional to 3,575.82, 5,371.95 and 2,116.02 is: 3,178.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.82 : 5,371.95 = 2,116.02 : x
  2. Step 2: Convert to fraction form
    3,575.82/5,371.95 = 2,116.02/x
  3. Step 3: Cross multiply
    3,575.82x = 5,371.95 × 2,116.02
  4. Step 4: Simplify right side
    3,575.82x = 11,367,153.64
  5. Step 5: Solve for x
    x = 11,367,153.64/3,575.82
  6. Step 6: Final answer
    x = 3,178.89

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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.