Home / 3,183.09-4,392.68-1,785.75

Finding the Fourth Proportional to 3,183.09, 4,392.68 and 1,785.75

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Solution

The fourth proportional to 3,183.09, 4,392.68 and 1,785.75 is: 2,464.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.09 : 4,392.68 = 1,785.75 : x
  2. Step 2: Convert to fraction form
    3,183.09/4,392.68 = 1,785.75/x
  3. Step 3: Cross multiply
    3,183.09x = 4,392.68 × 1,785.75
  4. Step 4: Simplify right side
    3,183.09x = 7,844,219.38
  5. Step 5: Solve for x
    x = 7,844,219.38/3,183.09
  6. Step 6: Final answer
    x = 2,464.34

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Half scale
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Double scale
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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.