Home / 3,042.96-4,199.61-2,855.24

Finding the Fourth Proportional to 3,042.96, 4,199.61 and 2,855.24

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Solution

The fourth proportional to 3,042.96, 4,199.61 and 2,855.24 is: 3,940.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.96 : 4,199.61 = 2,855.24 : x
  2. Step 2: Convert to fraction form
    3,042.96/4,199.61 = 2,855.24/x
  3. Step 3: Cross multiply
    3,042.96x = 4,199.61 × 2,855.24
  4. Step 4: Simplify right side
    3,042.96x = 11,990,894.46
  5. Step 5: Solve for x
    x = 11,990,894.46/3,042.96
  6. Step 6: Final answer
    x = 3,940.54

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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.