Home / 2,183.77-3,014.36-1,299.55

Finding the Fourth Proportional to 2,183.77, 3,014.36 and 1,299.55

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Solution

The fourth proportional to 2,183.77, 3,014.36 and 1,299.55 is: 1,793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.77 : 3,014.36 = 1,299.55 : x
  2. Step 2: Convert to fraction form
    2,183.77/3,014.36 = 1,299.55/x
  3. Step 3: Cross multiply
    2,183.77x = 3,014.36 × 1,299.55
  4. Step 4: Simplify right side
    2,183.77x = 3,917,313.68
  5. Step 5: Solve for x
    x = 3,917,313.68/2,183.77
  6. Step 6: Final answer
    x = 1,793.83

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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.