Home / 3,183.24-4,392.86-1,924.12

Finding the Fourth Proportional to 3,183.24, 4,392.86 and 1,924.12

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Solution

The fourth proportional to 3,183.24, 4,392.86 and 1,924.12 is: 2,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.24 : 4,392.86 = 1,924.12 : x
  2. Step 2: Convert to fraction form
    3,183.24/4,392.86 = 1,924.12/x
  3. Step 3: Cross multiply
    3,183.24x = 4,392.86 × 1,924.12
  4. Step 4: Simplify right side
    3,183.24x = 8,452,389.78
  5. Step 5: Solve for x
    x = 8,452,389.78/3,183.24
  6. Step 6: Final answer
    x = 2,655.28

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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.