Home / 3,834.15-5,289.75-2,841.09

Finding the Fourth Proportional to 3,834.15, 5,289.75 and 2,841.09

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Solution

The fourth proportional to 3,834.15, 5,289.75 and 2,841.09 is: 3,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.15 : 5,289.75 = 2,841.09 : x
  2. Step 2: Convert to fraction form
    3,834.15/5,289.75 = 2,841.09/x
  3. Step 3: Cross multiply
    3,834.15x = 5,289.75 × 2,841.09
  4. Step 4: Simplify right side
    3,834.15x = 15,028,655.83
  5. Step 5: Solve for x
    x = 15,028,655.83/3,834.15
  6. Step 6: Final answer
    x = 3,919.68

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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.