Home / 5,989.20-8,983.80-2,093.10

Finding the Fourth Proportional to 5,989.20, 8,983.80 and 2,093.10

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Solution

The fourth proportional to 5,989.20, 8,983.80 and 2,093.10 is: 3,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.20 : 8,983.80 = 2,093.10 : x
  2. Step 2: Convert to fraction form
    5,989.20/8,983.80 = 2,093.10/x
  3. Step 3: Cross multiply
    5,989.20x = 8,983.80 × 2,093.10
  4. Step 4: Simplify right side
    5,989.20x = 18,803,991.78
  5. Step 5: Solve for x
    x = 18,803,991.78/5,989.20
  6. Step 6: Final answer
    x = 3,139.65

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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.