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Finding the Fourth Proportional to 3,770.76, 5,203.47 and 2,092.15

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Solution

The fourth proportional to 3,770.76, 5,203.47 and 2,092.15 is: 2,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.76 : 5,203.47 = 2,092.15 : x
  2. Step 2: Convert to fraction form
    3,770.76/5,203.47 = 2,092.15/x
  3. Step 3: Cross multiply
    3,770.76x = 5,203.47 × 2,092.15
  4. Step 4: Simplify right side
    3,770.76x = 10,886,454.11
  5. Step 5: Solve for x
    x = 10,886,454.11/3,770.76
  6. Step 6: Final answer
    x = 2,887.07

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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.