Home / 5,190.85-7,163.51-2,833.01

Finding the Fourth Proportional to 5,190.85, 7,163.51 and 2,833.01

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Solution

The fourth proportional to 5,190.85, 7,163.51 and 2,833.01 is: 3,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.85 : 7,163.51 = 2,833.01 : x
  2. Step 2: Convert to fraction form
    5,190.85/7,163.51 = 2,833.01/x
  3. Step 3: Cross multiply
    5,190.85x = 7,163.51 × 2,833.01
  4. Step 4: Simplify right side
    5,190.85x = 20,294,272.35
  5. Step 5: Solve for x
    x = 20,294,272.35/5,190.85
  6. Step 6: Final answer
    x = 3,909.62

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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.