Home / 3,183.99-4,394.30-2,005.04

Finding the Fourth Proportional to 3,183.99, 4,394.30 and 2,005.04

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Solution

The fourth proportional to 3,183.99, 4,394.30 and 2,005.04 is: 2,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.99 : 4,394.30 = 2,005.04 : x
  2. Step 2: Convert to fraction form
    3,183.99/4,394.30 = 2,005.04/x
  3. Step 3: Cross multiply
    3,183.99x = 4,394.30 × 2,005.04
  4. Step 4: Simplify right side
    3,183.99x = 8,810,715.28
  5. Step 5: Solve for x
    x = 8,810,715.28/3,183.99
  6. Step 6: Final answer
    x = 2,767.19

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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.