Home / 5,191.34-7,163.78-2,833.02

Finding the Fourth Proportional to 5,191.34, 7,163.78 and 2,833.02

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Solution

The fourth proportional to 5,191.34, 7,163.78 and 2,833.02 is: 3,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.34 : 7,163.78 = 2,833.02 : x
  2. Step 2: Convert to fraction form
    5,191.34/7,163.78 = 2,833.02/x
  3. Step 3: Cross multiply
    5,191.34x = 7,163.78 × 2,833.02
  4. Step 4: Simplify right side
    5,191.34x = 20,295,117.85
  5. Step 5: Solve for x
    x = 20,295,117.85/5,191.34
  6. Step 6: Final answer
    x = 3,909.42

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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.