Home / 3,183.68-4,393.70-1,786.52

Finding the Fourth Proportional to 3,183.68, 4,393.70 and 1,786.52

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Solution

The fourth proportional to 3,183.68, 4,393.70 and 1,786.52 is: 2,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.68 : 4,393.70 = 1,786.52 : x
  2. Step 2: Convert to fraction form
    3,183.68/4,393.70 = 1,786.52/x
  3. Step 3: Cross multiply
    3,183.68x = 4,393.70 × 1,786.52
  4. Step 4: Simplify right side
    3,183.68x = 7,849,432.92
  5. Step 5: Solve for x
    x = 7,849,432.92/3,183.68
  6. Step 6: Final answer
    x = 2,465.52

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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.