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Finding the Fourth Proportional to 5,007.95, 6,910.87 and 2,769.92

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Solution

The fourth proportional to 5,007.95, 6,910.87 and 2,769.92 is: 3,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.95 : 6,910.87 = 2,769.92 : x
  2. Step 2: Convert to fraction form
    5,007.95/6,910.87 = 2,769.92/x
  3. Step 3: Cross multiply
    5,007.95x = 6,910.87 × 2,769.92
  4. Step 4: Simplify right side
    5,007.95x = 19,142,557.03
  5. Step 5: Solve for x
    x = 19,142,557.03/5,007.95
  6. Step 6: Final answer
    x = 3,822.43

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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.