Home / 5,618.82-7,754.39-3,261.32

Finding the Fourth Proportional to 5,618.82, 7,754.39 and 3,261.32

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Solution

The fourth proportional to 5,618.82, 7,754.39 and 3,261.32 is: 4,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.82 : 7,754.39 = 3,261.32 : x
  2. Step 2: Convert to fraction form
    5,618.82/7,754.39 = 3,261.32/x
  3. Step 3: Cross multiply
    5,618.82x = 7,754.39 × 3,261.32
  4. Step 4: Simplify right side
    5,618.82x = 25,289,516.58
  5. Step 5: Solve for x
    x = 25,289,516.58/5,618.82
  6. Step 6: Final answer
    x = 4,500.86

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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.