Home / 5,190.87-7,163.40-2,833.01

Finding the Fourth Proportional to 5,190.87, 7,163.40 and 2,833.01

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Solution

The fourth proportional to 5,190.87, 7,163.40 and 2,833.01 is: 3,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.87 : 7,163.40 = 2,833.01 : x
  2. Step 2: Convert to fraction form
    5,190.87/7,163.40 = 2,833.01/x
  3. Step 3: Cross multiply
    5,190.87x = 7,163.40 × 2,833.01
  4. Step 4: Simplify right side
    5,190.87x = 20,294,008.83
  5. Step 5: Solve for x
    x = 20,294,008.83/5,190.87
  6. Step 6: Final answer
    x = 3,909.56

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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.