Home / 5,190.56-7,163.04-2,832.74

Finding the Fourth Proportional to 5,190.56, 7,163.04 and 2,832.74

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Solution

The fourth proportional to 5,190.56, 7,163.04 and 2,832.74 is: 3,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.56 : 7,163.04 = 2,832.74 : x
  2. Step 2: Convert to fraction form
    5,190.56/7,163.04 = 2,832.74/x
  3. Step 3: Cross multiply
    5,190.56x = 7,163.04 × 2,832.74
  4. Step 4: Simplify right side
    5,190.56x = 20,291,029.93
  5. Step 5: Solve for x
    x = 20,291,029.93/5,190.56
  6. Step 6: Final answer
    x = 3,909.22

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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.