Home / 2,183.18-3,257.99-1,949.63

Finding the Fourth Proportional to 2,183.18, 3,257.99 and 1,949.63

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Solution

The fourth proportional to 2,183.18, 3,257.99 and 1,949.63 is: 2,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.18 : 3,257.99 = 1,949.63 : x
  2. Step 2: Convert to fraction form
    2,183.18/3,257.99 = 1,949.63/x
  3. Step 3: Cross multiply
    2,183.18x = 3,257.99 × 1,949.63
  4. Step 4: Simplify right side
    2,183.18x = 6,351,871.77
  5. Step 5: Solve for x
    x = 6,351,871.77/2,183.18
  6. Step 6: Final answer
    x = 2,909.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.