Home / 4,087.24-5,629.86-3,201.48

Finding the Fourth Proportional to 4,087.24, 5,629.86 and 3,201.48

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Solution

The fourth proportional to 4,087.24, 5,629.86 and 3,201.48 is: 4,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.24 : 5,629.86 = 3,201.48 : x
  2. Step 2: Convert to fraction form
    4,087.24/5,629.86 = 3,201.48/x
  3. Step 3: Cross multiply
    4,087.24x = 5,629.86 × 3,201.48
  4. Step 4: Simplify right side
    4,087.24x = 18,023,884.19
  5. Step 5: Solve for x
    x = 18,023,884.19/4,087.24
  6. Step 6: Final answer
    x = 4,409.79

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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.