Home / 3,183.77-4,393.36-1,786.25

Finding the Fourth Proportional to 3,183.77, 4,393.36 and 1,786.25

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Solution

The fourth proportional to 3,183.77, 4,393.36 and 1,786.25 is: 2,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.77 : 4,393.36 = 1,786.25 : x
  2. Step 2: Convert to fraction form
    3,183.77/4,393.36 = 1,786.25/x
  3. Step 3: Cross multiply
    3,183.77x = 4,393.36 × 1,786.25
  4. Step 4: Simplify right side
    3,183.77x = 7,847,639.30
  5. Step 5: Solve for x
    x = 7,847,639.30/3,183.77
  6. Step 6: Final answer
    x = 2,464.89

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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.