Home / 3,183.60-4,393.26-1,786.08

Finding the Fourth Proportional to 3,183.60, 4,393.26 and 1,786.08

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Solution

The fourth proportional to 3,183.60, 4,393.26 and 1,786.08 is: 2,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.60 : 4,393.26 = 1,786.08 : x
  2. Step 2: Convert to fraction form
    3,183.60/4,393.26 = 1,786.08/x
  3. Step 3: Cross multiply
    3,183.60x = 4,393.26 × 1,786.08
  4. Step 4: Simplify right side
    3,183.60x = 7,846,713.82
  5. Step 5: Solve for x
    x = 7,846,713.82/3,183.60
  6. Step 6: Final answer
    x = 2,464.73

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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.