Home / 5,873.20-8,825.40-3,242.80

Finding the Fourth Proportional to 5,873.20, 8,825.40 and 3,242.80

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Solution

The fourth proportional to 5,873.20, 8,825.40 and 3,242.80 is: 4,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.20 : 8,825.40 = 3,242.80 : x
  2. Step 2: Convert to fraction form
    5,873.20/8,825.40 = 3,242.80/x
  3. Step 3: Cross multiply
    5,873.20x = 8,825.40 × 3,242.80
  4. Step 4: Simplify right side
    5,873.20x = 28,619,007.12
  5. Step 5: Solve for x
    x = 28,619,007.12/5,873.20
  6. Step 6: Final answer
    x = 4,872.81

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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.