Home / 5,084.80-7,621.74-3,324.28

Finding the Fourth Proportional to 5,084.80, 7,621.74 and 3,324.28

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Solution

The fourth proportional to 5,084.80, 7,621.74 and 3,324.28 is: 4,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.80 : 7,621.74 = 3,324.28 : x
  2. Step 2: Convert to fraction form
    5,084.80/7,621.74 = 3,324.28/x
  3. Step 3: Cross multiply
    5,084.80x = 7,621.74 × 3,324.28
  4. Step 4: Simplify right side
    5,084.80x = 25,336,797.85
  5. Step 5: Solve for x
    x = 25,336,797.85/5,084.80
  6. Step 6: Final answer
    x = 4,982.85

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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.