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Finding the Fourth Proportional to 3,748.88, 5,173.45 and 2,092.88

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Solution

The fourth proportional to 3,748.88, 5,173.45 and 2,092.88 is: 2,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.88 : 5,173.45 = 2,092.88 : x
  2. Step 2: Convert to fraction form
    3,748.88/5,173.45 = 2,092.88/x
  3. Step 3: Cross multiply
    3,748.88x = 5,173.45 × 2,092.88
  4. Step 4: Simplify right side
    3,748.88x = 10,827,378.94
  5. Step 5: Solve for x
    x = 10,827,378.94/3,748.88
  6. Step 6: Final answer
    x = 2,888.17

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1.5x scale

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.