Home / 5,920.62-8,170.08-3,268.02

Finding the Fourth Proportional to 5,920.62, 8,170.08 and 3,268.02

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Solution

The fourth proportional to 5,920.62, 8,170.08 and 3,268.02 is: 4,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.62 : 8,170.08 = 3,268.02 : x
  2. Step 2: Convert to fraction form
    5,920.62/8,170.08 = 3,268.02/x
  3. Step 3: Cross multiply
    5,920.62x = 8,170.08 × 3,268.02
  4. Step 4: Simplify right side
    5,920.62x = 26,699,984.84
  5. Step 5: Solve for x
    x = 26,699,984.84/5,920.62
  6. Step 6: Final answer
    x = 4,509.66

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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.