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Finding the Fourth Proportional to 5,175.72, 7,762.14 and 2,097

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Solution

The fourth proportional to 5,175.72, 7,762.14 and 2,097 is: 3,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.72 : 7,762.14 = 2,097 : x
  2. Step 2: Convert to fraction form
    5,175.72/7,762.14 = 2,097/x
  3. Step 3: Cross multiply
    5,175.72x = 7,762.14 × 2,097
  4. Step 4: Simplify right side
    5,175.72x = 16,277,207.58
  5. Step 5: Solve for x
    x = 16,277,207.58/5,175.72
  6. Step 6: Final answer
    x = 3,144.92

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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.