Home / 4,219.28-5,821.61-2,449.83

Finding the Fourth Proportional to 4,219.28, 5,821.61 and 2,449.83

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Solution

The fourth proportional to 4,219.28, 5,821.61 and 2,449.83 is: 3,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.28 : 5,821.61 = 2,449.83 : x
  2. Step 2: Convert to fraction form
    4,219.28/5,821.61 = 2,449.83/x
  3. Step 3: Cross multiply
    4,219.28x = 5,821.61 × 2,449.83
  4. Step 4: Simplify right side
    4,219.28x = 14,261,942.58
  5. Step 5: Solve for x
    x = 14,261,942.58/4,219.28
  6. Step 6: Final answer
    x = 3,380.19

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1.5x scale

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.