Home / 6,981.87-9,635.17-3,795.38

Finding the Fourth Proportional to 6,981.87, 9,635.17 and 3,795.38

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Solution

The fourth proportional to 6,981.87, 9,635.17 and 3,795.38 is: 5,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.87 : 9,635.17 = 3,795.38 : x
  2. Step 2: Convert to fraction form
    6,981.87/9,635.17 = 3,795.38/x
  3. Step 3: Cross multiply
    6,981.87x = 9,635.17 × 3,795.38
  4. Step 4: Simplify right side
    6,981.87x = 36,569,182.69
  5. Step 5: Solve for x
    x = 36,569,182.69/6,981.87
  6. Step 6: Final answer
    x = 5,237.73

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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.