Home / 3,425.77-5,137.30-1,867.06

Finding the Fourth Proportional to 3,425.77, 5,137.30 and 1,867.06

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Solution

The fourth proportional to 3,425.77, 5,137.30 and 1,867.06 is: 2,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.77 : 5,137.30 = 1,867.06 : x
  2. Step 2: Convert to fraction form
    3,425.77/5,137.30 = 1,867.06/x
  3. Step 3: Cross multiply
    3,425.77x = 5,137.30 × 1,867.06
  4. Step 4: Simplify right side
    3,425.77x = 9,591,647.34
  5. Step 5: Solve for x
    x = 9,591,647.34/3,425.77
  6. Step 6: Final answer
    x = 2,799.85

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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.