Home / 2,299.66-3,173.51-1,251.72

Finding the Fourth Proportional to 2,299.66, 3,173.51 and 1,251.72

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Solution

The fourth proportional to 2,299.66, 3,173.51 and 1,251.72 is: 1,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.66 : 3,173.51 = 1,251.72 : x
  2. Step 2: Convert to fraction form
    2,299.66/3,173.51 = 1,251.72/x
  3. Step 3: Cross multiply
    2,299.66x = 3,173.51 × 1,251.72
  4. Step 4: Simplify right side
    2,299.66x = 3,972,349.07
  5. Step 5: Solve for x
    x = 3,972,349.07/2,299.66
  6. Step 6: Final answer
    x = 1,727.37

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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.