Home / 3,183.66-4,393.89-1,786.50

Finding the Fourth Proportional to 3,183.66, 4,393.89 and 1,786.50

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Solution

The fourth proportional to 3,183.66, 4,393.89 and 1,786.50 is: 2,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.66 : 4,393.89 = 1,786.50 : x
  2. Step 2: Convert to fraction form
    3,183.66/4,393.89 = 1,786.50/x
  3. Step 3: Cross multiply
    3,183.66x = 4,393.89 × 1,786.50
  4. Step 4: Simplify right side
    3,183.66x = 7,849,684.49
  5. Step 5: Solve for x
    x = 7,849,684.49/3,183.66
  6. Step 6: Final answer
    x = 2,465.62

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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.