Home / 4,236.90-5,844.90-2,821.24

Finding the Fourth Proportional to 4,236.90, 5,844.90 and 2,821.24

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Solution

The fourth proportional to 4,236.90, 5,844.90 and 2,821.24 is: 3,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,236.90 : 5,844.90 = 2,821.24 : x
  2. Step 2: Convert to fraction form
    4,236.90/5,844.90 = 2,821.24/x
  3. Step 3: Cross multiply
    4,236.90x = 5,844.90 × 2,821.24
  4. Step 4: Simplify right side
    4,236.90x = 16,489,865.68
  5. Step 5: Solve for x
    x = 16,489,865.68/4,236.90
  6. Step 6: Final answer
    x = 3,891.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.