Home / 3,183.89-4,394.04-1,767.71

Finding the Fourth Proportional to 3,183.89, 4,394.04 and 1,767.71

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Solution

The fourth proportional to 3,183.89, 4,394.04 and 1,767.71 is: 2,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.89 : 4,394.04 = 1,767.71 : x
  2. Step 2: Convert to fraction form
    3,183.89/4,394.04 = 1,767.71/x
  3. Step 3: Cross multiply
    3,183.89x = 4,394.04 × 1,767.71
  4. Step 4: Simplify right side
    3,183.89x = 7,767,388.45
  5. Step 5: Solve for x
    x = 7,767,388.45/3,183.89
  6. Step 6: Final answer
    x = 2,439.59

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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.