Home / 5,190.24-7,162.32-2,832.36

Finding the Fourth Proportional to 5,190.24, 7,162.32 and 2,832.36

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Solution

The fourth proportional to 5,190.24, 7,162.32 and 2,832.36 is: 3,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.24 : 7,162.32 = 2,832.36 : x
  2. Step 2: Convert to fraction form
    5,190.24/7,162.32 = 2,832.36/x
  3. Step 3: Cross multiply
    5,190.24x = 7,162.32 × 2,832.36
  4. Step 4: Simplify right side
    5,190.24x = 20,286,268.68
  5. Step 5: Solve for x
    x = 20,286,268.68/5,190.24
  6. Step 6: Final answer
    x = 3,908.54

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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.