Home / 2,183.15-3,266.12-1,685.69

Finding the Fourth Proportional to 2,183.15, 3,266.12 and 1,685.69

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Solution

The fourth proportional to 2,183.15, 3,266.12 and 1,685.69 is: 2,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.15 : 3,266.12 = 1,685.69 : x
  2. Step 2: Convert to fraction form
    2,183.15/3,266.12 = 1,685.69/x
  3. Step 3: Cross multiply
    2,183.15x = 3,266.12 × 1,685.69
  4. Step 4: Simplify right side
    2,183.15x = 5,505,684.33
  5. Step 5: Solve for x
    x = 5,505,684.33/2,183.15
  6. Step 6: Final answer
    x = 2,521.90

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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.