Home / 5,940.95-8,198.79-3,423.43

Finding the Fourth Proportional to 5,940.95, 8,198.79 and 3,423.43

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Solution

The fourth proportional to 5,940.95, 8,198.79 and 3,423.43 is: 4,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.95 : 8,198.79 = 3,423.43 : x
  2. Step 2: Convert to fraction form
    5,940.95/8,198.79 = 3,423.43/x
  3. Step 3: Cross multiply
    5,940.95x = 8,198.79 × 3,423.43
  4. Step 4: Simplify right side
    5,940.95x = 28,067,981.06
  5. Step 5: Solve for x
    x = 28,067,981.06/5,940.95
  6. Step 6: Final answer
    x = 4,724.50

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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.