Home / 5,921.37-8,171.39-3,268.71

Finding the Fourth Proportional to 5,921.37, 8,171.39 and 3,268.71

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Solution

The fourth proportional to 5,921.37, 8,171.39 and 3,268.71 is: 4,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.37 : 8,171.39 = 3,268.71 : x
  2. Step 2: Convert to fraction form
    5,921.37/8,171.39 = 3,268.71/x
  3. Step 3: Cross multiply
    5,921.37x = 8,171.39 × 3,268.71
  4. Step 4: Simplify right side
    5,921.37x = 26,709,912.38
  5. Step 5: Solve for x
    x = 26,709,912.38/5,921.37
  6. Step 6: Final answer
    x = 4,510.77

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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.