Home / 3,183.36-4,781.52-1,887.36

Finding the Fourth Proportional to 3,183.36, 4,781.52 and 1,887.36

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Solution

The fourth proportional to 3,183.36, 4,781.52 and 1,887.36 is: 2,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.36 : 4,781.52 = 1,887.36 : x
  2. Step 2: Convert to fraction form
    3,183.36/4,781.52 = 1,887.36/x
  3. Step 3: Cross multiply
    3,183.36x = 4,781.52 × 1,887.36
  4. Step 4: Simplify right side
    3,183.36x = 9,024,449.59
  5. Step 5: Solve for x
    x = 9,024,449.59/3,183.36
  6. Step 6: Final answer
    x = 2,834.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.