Home / 3,578.97-4,935.24-2,831.73

Finding the Fourth Proportional to 3,578.97, 4,935.24 and 2,831.73

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Solution

The fourth proportional to 3,578.97, 4,935.24 and 2,831.73 is: 3,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.97 : 4,935.24 = 2,831.73 : x
  2. Step 2: Convert to fraction form
    3,578.97/4,935.24 = 2,831.73/x
  3. Step 3: Cross multiply
    3,578.97x = 4,935.24 × 2,831.73
  4. Step 4: Simplify right side
    3,578.97x = 13,975,267.17
  5. Step 5: Solve for x
    x = 13,975,267.17/3,578.97
  6. Step 6: Final answer
    x = 3,904.83

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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.