Home / 5,918.92-8,168.55-3,266.38

Finding the Fourth Proportional to 5,918.92, 8,168.55 and 3,266.38

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Solution

The fourth proportional to 5,918.92, 8,168.55 and 3,266.38 is: 4,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.92 : 8,168.55 = 3,266.38 : x
  2. Step 2: Convert to fraction form
    5,918.92/8,168.55 = 3,266.38/x
  3. Step 3: Cross multiply
    5,918.92x = 8,168.55 × 3,266.38
  4. Step 4: Simplify right side
    5,918.92x = 26,681,540.36
  5. Step 5: Solve for x
    x = 26,681,540.36/5,918.92
  6. Step 6: Final answer
    x = 4,507.84

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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.