Home / 2,299.37-3,173.11-1,251.43

Finding the Fourth Proportional to 2,299.37, 3,173.11 and 1,251.43

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Solution

The fourth proportional to 2,299.37, 3,173.11 and 1,251.43 is: 1,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.37 : 3,173.11 = 1,251.43 : x
  2. Step 2: Convert to fraction form
    2,299.37/3,173.11 = 1,251.43/x
  3. Step 3: Cross multiply
    2,299.37x = 3,173.11 × 1,251.43
  4. Step 4: Simplify right side
    2,299.37x = 3,970,913.99
  5. Step 5: Solve for x
    x = 3,970,913.99/2,299.37
  6. Step 6: Final answer
    x = 1,726.96

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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.