Home / 3,660.74-5,049.76-2,315.93

Finding the Fourth Proportional to 3,660.74, 5,049.76 and 2,315.93

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Solution

The fourth proportional to 3,660.74, 5,049.76 and 2,315.93 is: 3,194.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.74 : 5,049.76 = 2,315.93 : x
  2. Step 2: Convert to fraction form
    3,660.74/5,049.76 = 2,315.93/x
  3. Step 3: Cross multiply
    3,660.74x = 5,049.76 × 2,315.93
  4. Step 4: Simplify right side
    3,660.74x = 11,694,890.68
  5. Step 5: Solve for x
    x = 11,694,890.68/3,660.74
  6. Step 6: Final answer
    x = 3,194.68

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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.