Home / 2,778.18-3,834.09-1,599.27

Finding the Fourth Proportional to 2,778.18, 3,834.09 and 1,599.27

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Solution

The fourth proportional to 2,778.18, 3,834.09 and 1,599.27 is: 2,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.18 : 3,834.09 = 1,599.27 : x
  2. Step 2: Convert to fraction form
    2,778.18/3,834.09 = 1,599.27/x
  3. Step 3: Cross multiply
    2,778.18x = 3,834.09 × 1,599.27
  4. Step 4: Simplify right side
    2,778.18x = 6,131,745.11
  5. Step 5: Solve for x
    x = 6,131,745.11/2,778.18
  6. Step 6: Final answer
    x = 2,207.11

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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.