Home / 3,938.83-5,903.38-2,183.76

Finding the Fourth Proportional to 3,938.83, 5,903.38 and 2,183.76

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Solution

The fourth proportional to 3,938.83, 5,903.38 and 2,183.76 is: 3,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.83 : 5,903.38 = 2,183.76 : x
  2. Step 2: Convert to fraction form
    3,938.83/5,903.38 = 2,183.76/x
  3. Step 3: Cross multiply
    3,938.83x = 5,903.38 × 2,183.76
  4. Step 4: Simplify right side
    3,938.83x = 12,891,567.84
  5. Step 5: Solve for x
    x = 12,891,567.84/3,938.83
  6. Step 6: Final answer
    x = 3,272.95

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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.