Home / 5,920.39-8,170.27-3,268.05

Finding the Fourth Proportional to 5,920.39, 8,170.27 and 3,268.05

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Solution

The fourth proportional to 5,920.39, 8,170.27 and 3,268.05 is: 4,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.39 : 8,170.27 = 3,268.05 : x
  2. Step 2: Convert to fraction form
    5,920.39/8,170.27 = 3,268.05/x
  3. Step 3: Cross multiply
    5,920.39x = 8,170.27 × 3,268.05
  4. Step 4: Simplify right side
    5,920.39x = 26,700,812.06
  5. Step 5: Solve for x
    x = 26,700,812.06/5,920.39
  6. Step 6: Final answer
    x = 4,509.97

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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.