Home / 5,712.21-7,884.52-3,322.73

Finding the Fourth Proportional to 5,712.21, 7,884.52 and 3,322.73

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Solution

The fourth proportional to 5,712.21, 7,884.52 and 3,322.73 is: 4,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.21 : 7,884.52 = 3,322.73 : x
  2. Step 2: Convert to fraction form
    5,712.21/7,884.52 = 3,322.73/x
  3. Step 3: Cross multiply
    5,712.21x = 7,884.52 × 3,322.73
  4. Step 4: Simplify right side
    5,712.21x = 26,198,142.54
  5. Step 5: Solve for x
    x = 26,198,142.54/5,712.21
  6. Step 6: Final answer
    x = 4,586.34

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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.