Home / 3,183.93-4,394.03-1,786.77

Finding the Fourth Proportional to 3,183.93, 4,394.03 and 1,786.77

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Solution

The fourth proportional to 3,183.93, 4,394.03 and 1,786.77 is: 2,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.93 : 4,394.03 = 1,786.77 : x
  2. Step 2: Convert to fraction form
    3,183.93/4,394.03 = 1,786.77/x
  3. Step 3: Cross multiply
    3,183.93x = 4,394.03 × 1,786.77
  4. Step 4: Simplify right side
    3,183.93x = 7,851,112.05
  5. Step 5: Solve for x
    x = 7,851,112.05/3,183.93
  6. Step 6: Final answer
    x = 2,465.86

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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.