Home / 6,974.92-9,625.98-3,831.76

Finding the Fourth Proportional to 6,974.92, 9,625.98 and 3,831.76

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Solution

The fourth proportional to 6,974.92, 9,625.98 and 3,831.76 is: 5,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.92 : 9,625.98 = 3,831.76 : x
  2. Step 2: Convert to fraction form
    6,974.92/9,625.98 = 3,831.76/x
  3. Step 3: Cross multiply
    6,974.92x = 9,625.98 × 3,831.76
  4. Step 4: Simplify right side
    6,974.92x = 36,884,445.12
  5. Step 5: Solve for x
    x = 36,884,445.12/6,974.92
  6. Step 6: Final answer
    x = 5,288.15

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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.