Home / 5,316.60-7,967.96-2,192.98

Finding the Fourth Proportional to 5,316.60, 7,967.96 and 2,192.98

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Solution

The fourth proportional to 5,316.60, 7,967.96 and 2,192.98 is: 3,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.60 : 7,967.96 = 2,192.98 : x
  2. Step 2: Convert to fraction form
    5,316.60/7,967.96 = 2,192.98/x
  3. Step 3: Cross multiply
    5,316.60x = 7,967.96 × 2,192.98
  4. Step 4: Simplify right side
    5,316.60x = 17,473,576.92
  5. Step 5: Solve for x
    x = 17,473,576.92/5,316.60
  6. Step 6: Final answer
    x = 3,286.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.