Home / 3,183.59-4,393.34-1,767.48

Finding the Fourth Proportional to 3,183.59, 4,393.34 and 1,767.48

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Solution

The fourth proportional to 3,183.59, 4,393.34 and 1,767.48 is: 2,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.59 : 4,393.34 = 1,767.48 : x
  2. Step 2: Convert to fraction form
    3,183.59/4,393.34 = 1,767.48/x
  3. Step 3: Cross multiply
    3,183.59x = 4,393.34 × 1,767.48
  4. Step 4: Simplify right side
    3,183.59x = 7,765,131.75
  5. Step 5: Solve for x
    x = 7,765,131.75/3,183.59
  6. Step 6: Final answer
    x = 2,439.12

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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.