Home / 5,471.15-8,203.88-2,183.36

Finding the Fourth Proportional to 5,471.15, 8,203.88 and 2,183.36

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Solution

The fourth proportional to 5,471.15, 8,203.88 and 2,183.36 is: 3,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.15 : 8,203.88 = 2,183.36 : x
  2. Step 2: Convert to fraction form
    5,471.15/8,203.88 = 2,183.36/x
  3. Step 3: Cross multiply
    5,471.15x = 8,203.88 × 2,183.36
  4. Step 4: Simplify right side
    5,471.15x = 17,911,987.88
  5. Step 5: Solve for x
    x = 17,911,987.88/5,471.15
  6. Step 6: Final answer
    x = 3,273.90

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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.