Home / 5,926.96-8,172.84-4,158

Finding the Fourth Proportional to 5,926.96, 8,172.84 and 4,158

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Solution

The fourth proportional to 5,926.96, 8,172.84 and 4,158 is: 5,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.96 : 8,172.84 = 4,158 : x
  2. Step 2: Convert to fraction form
    5,926.96/8,172.84 = 4,158/x
  3. Step 3: Cross multiply
    5,926.96x = 8,172.84 × 4,158
  4. Step 4: Simplify right side
    5,926.96x = 33,982,668.72
  5. Step 5: Solve for x
    x = 33,982,668.72/5,926.96
  6. Step 6: Final answer
    x = 5,733.57

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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.