Home / 2,183.56-3,014.11-1,399.88

Finding the Fourth Proportional to 2,183.56, 3,014.11 and 1,399.88

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Solution

The fourth proportional to 2,183.56, 3,014.11 and 1,399.88 is: 1,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.56 : 3,014.11 = 1,399.88 : x
  2. Step 2: Convert to fraction form
    2,183.56/3,014.11 = 1,399.88/x
  3. Step 3: Cross multiply
    2,183.56x = 3,014.11 × 1,399.88
  4. Step 4: Simplify right side
    2,183.56x = 4,219,401.59
  5. Step 5: Solve for x
    x = 4,219,401.59/2,183.56
  6. Step 6: Final answer
    x = 1,932.35

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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.