Home / 5,919.57-8,169.11-3,827.34

Finding the Fourth Proportional to 5,919.57, 8,169.11 and 3,827.34

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Solution

The fourth proportional to 5,919.57, 8,169.11 and 3,827.34 is: 5,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.57 : 8,169.11 = 3,827.34 : x
  2. Step 2: Convert to fraction form
    5,919.57/8,169.11 = 3,827.34/x
  3. Step 3: Cross multiply
    5,919.57x = 8,169.11 × 3,827.34
  4. Step 4: Simplify right side
    5,919.57x = 31,265,942.33
  5. Step 5: Solve for x
    x = 31,265,942.33/5,919.57
  6. Step 6: Final answer
    x = 5,281.79

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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.