Home / 5,926.75-8,178.80-3,238

Finding the Fourth Proportional to 5,926.75, 8,178.80 and 3,238

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Solution

The fourth proportional to 5,926.75, 8,178.80 and 3,238 is: 4,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.75 : 8,178.80 = 3,238 : x
  2. Step 2: Convert to fraction form
    5,926.75/8,178.80 = 3,238/x
  3. Step 3: Cross multiply
    5,926.75x = 8,178.80 × 3,238
  4. Step 4: Simplify right side
    5,926.75x = 26,482,938.21
  5. Step 5: Solve for x
    x = 26,482,938.21/5,926.75
  6. Step 6: Final answer
    x = 4,468.37

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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.