Home / 3,183.46-4,394.16-2,005.54

Finding the Fourth Proportional to 3,183.46, 4,394.16 and 2,005.54

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Solution

The fourth proportional to 3,183.46, 4,394.16 and 2,005.54 is: 2,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.46 : 4,394.16 = 2,005.54 : x
  2. Step 2: Convert to fraction form
    3,183.46/4,394.16 = 2,005.54/x
  3. Step 3: Cross multiply
    3,183.46x = 4,394.16 × 2,005.54
  4. Step 4: Simplify right side
    3,183.46x = 8,812,663.65
  5. Step 5: Solve for x
    x = 8,812,663.65/3,183.46
  6. Step 6: Final answer
    x = 2,768.27

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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.