Home / 7,083.80-10,616.46-2,919.06

Finding the Fourth Proportional to 7,083.80, 10,616.46 and 2,919.06

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Solution

The fourth proportional to 7,083.80, 10,616.46 and 2,919.06 is: 4,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.80 : 10,616.46 = 2,919.06 : x
  2. Step 2: Convert to fraction form
    7,083.80/10,616.46 = 2,919.06/x
  3. Step 3: Cross multiply
    7,083.80x = 10,616.46 × 2,919.06
  4. Step 4: Simplify right side
    7,083.80x = 30,990,083.73
  5. Step 5: Solve for x
    x = 30,990,083.73/7,083.80
  6. Step 6: Final answer
    x = 4,374.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.