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Finding the Fourth Proportional to 4,092.72, 6,139 and 1,495

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Solution

The fourth proportional to 4,092.72, 6,139 and 1,495 is: 2,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.72 : 6,139 = 1,495 : x
  2. Step 2: Convert to fraction form
    4,092.72/6,139 = 1,495/x
  3. Step 3: Cross multiply
    4,092.72x = 6,139 × 1,495
  4. Step 4: Simplify right side
    4,092.72x = 9,177,805
  5. Step 5: Solve for x
    x = 9,177,805/4,092.72
  6. Step 6: Final answer
    x = 2,242.47

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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.