Home / 5,191.26-7,163.91-2,833.35

Finding the Fourth Proportional to 5,191.26, 7,163.91 and 2,833.35

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Solution

The fourth proportional to 5,191.26, 7,163.91 and 2,833.35 is: 3,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.26 : 7,163.91 = 2,833.35 : x
  2. Step 2: Convert to fraction form
    5,191.26/7,163.91 = 2,833.35/x
  3. Step 3: Cross multiply
    5,191.26x = 7,163.91 × 2,833.35
  4. Step 4: Simplify right side
    5,191.26x = 20,297,864.40
  5. Step 5: Solve for x
    x = 20,297,864.40/5,191.26
  6. Step 6: Final answer
    x = 3,910.01

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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.