Home / 5,675.97-7,831.71-3,317.66

Finding the Fourth Proportional to 5,675.97, 7,831.71 and 3,317.66

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Solution

The fourth proportional to 5,675.97, 7,831.71 and 3,317.66 is: 4,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.97 : 7,831.71 = 3,317.66 : x
  2. Step 2: Convert to fraction form
    5,675.97/7,831.71 = 3,317.66/x
  3. Step 3: Cross multiply
    5,675.97x = 7,831.71 × 3,317.66
  4. Step 4: Simplify right side
    5,675.97x = 25,982,951.00
  5. Step 5: Solve for x
    x = 25,982,951.00/5,675.97
  6. Step 6: Final answer
    x = 4,577.71

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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.