Home / 6,975.64-9,626.26-3,831.76

Finding the Fourth Proportional to 6,975.64, 9,626.26 and 3,831.76

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Solution

The fourth proportional to 6,975.64, 9,626.26 and 3,831.76 is: 5,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.64 : 9,626.26 = 3,831.76 : x
  2. Step 2: Convert to fraction form
    6,975.64/9,626.26 = 3,831.76/x
  3. Step 3: Cross multiply
    6,975.64x = 9,626.26 × 3,831.76
  4. Step 4: Simplify right side
    6,975.64x = 36,885,450.73
  5. Step 5: Solve for x
    x = 36,885,450.73/6,975.64
  6. Step 6: Final answer
    x = 5,287.76

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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.