Home / 3,183.56-4,393.28-1,767.44

Finding the Fourth Proportional to 3,183.56, 4,393.28 and 1,767.44

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Solution

The fourth proportional to 3,183.56, 4,393.28 and 1,767.44 is: 2,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.56 : 4,393.28 = 1,767.44 : x
  2. Step 2: Convert to fraction form
    3,183.56/4,393.28 = 1,767.44/x
  3. Step 3: Cross multiply
    3,183.56x = 4,393.28 × 1,767.44
  4. Step 4: Simplify right side
    3,183.56x = 7,764,858.80
  5. Step 5: Solve for x
    x = 7,764,858.80/3,183.56
  6. Step 6: Final answer
    x = 2,439.05

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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.