Home / 6,454.87-8,908.63-3,766.97

Finding the Fourth Proportional to 6,454.87, 8,908.63 and 3,766.97

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Solution

The fourth proportional to 6,454.87, 8,908.63 and 3,766.97 is: 5,198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.87 : 8,908.63 = 3,766.97 : x
  2. Step 2: Convert to fraction form
    6,454.87/8,908.63 = 3,766.97/x
  3. Step 3: Cross multiply
    6,454.87x = 8,908.63 × 3,766.97
  4. Step 4: Simplify right side
    6,454.87x = 33,558,554.81
  5. Step 5: Solve for x
    x = 33,558,554.81/6,454.87
  6. Step 6: Final answer
    x = 5,198.95

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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.