Home / 3,775.20-5,209.86-2,282.82

Finding the Fourth Proportional to 3,775.20, 5,209.86 and 2,282.82

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Solution

The fourth proportional to 3,775.20, 5,209.86 and 2,282.82 is: 3,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.20 : 5,209.86 = 2,282.82 : x
  2. Step 2: Convert to fraction form
    3,775.20/5,209.86 = 2,282.82/x
  3. Step 3: Cross multiply
    3,775.20x = 5,209.86 × 2,282.82
  4. Step 4: Simplify right side
    3,775.20x = 11,893,172.61
  5. Step 5: Solve for x
    x = 11,893,172.61/3,775.20
  6. Step 6: Final answer
    x = 3,150.34

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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.