Home / 7,351.23-10,144.66-3,994.02

Finding the Fourth Proportional to 7,351.23, 10,144.66 and 3,994.02

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Solution

The fourth proportional to 7,351.23, 10,144.66 and 3,994.02 is: 5,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.23 : 10,144.66 = 3,994.02 : x
  2. Step 2: Convert to fraction form
    7,351.23/10,144.66 = 3,994.02/x
  3. Step 3: Cross multiply
    7,351.23x = 10,144.66 × 3,994.02
  4. Step 4: Simplify right side
    7,351.23x = 40,517,974.93
  5. Step 5: Solve for x
    x = 40,517,974.93/7,351.23
  6. Step 6: Final answer
    x = 5,511.73

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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.