Home / 3,989.44-5,985.38-2,043.02

Finding the Fourth Proportional to 3,989.44, 5,985.38 and 2,043.02

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Solution

The fourth proportional to 3,989.44, 5,985.38 and 2,043.02 is: 3,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.44 : 5,985.38 = 2,043.02 : x
  2. Step 2: Convert to fraction form
    3,989.44/5,985.38 = 2,043.02/x
  3. Step 3: Cross multiply
    3,989.44x = 5,985.38 × 2,043.02
  4. Step 4: Simplify right side
    3,989.44x = 12,228,251.05
  5. Step 5: Solve for x
    x = 12,228,251.05/3,989.44
  6. Step 6: Final answer
    x = 3,065.15

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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.