Home / 3,579.88-4,940.23-2,183.44

Finding the Fourth Proportional to 3,579.88, 4,940.23 and 2,183.44

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Solution

The fourth proportional to 3,579.88, 4,940.23 and 2,183.44 is: 3,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.88 : 4,940.23 = 2,183.44 : x
  2. Step 2: Convert to fraction form
    3,579.88/4,940.23 = 2,183.44/x
  3. Step 3: Cross multiply
    3,579.88x = 4,940.23 × 2,183.44
  4. Step 4: Simplify right side
    3,579.88x = 10,786,695.79
  5. Step 5: Solve for x
    x = 10,786,695.79/3,579.88
  6. Step 6: Final answer
    x = 3,013.14

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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.