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Finding the Fourth Proportional to 5,007.91, 6,910.86 and 2,769.84

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Solution

The fourth proportional to 5,007.91, 6,910.86 and 2,769.84 is: 3,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.91 : 6,910.86 = 2,769.84 : x
  2. Step 2: Convert to fraction form
    5,007.91/6,910.86 = 2,769.84/x
  3. Step 3: Cross multiply
    5,007.91x = 6,910.86 × 2,769.84
  4. Step 4: Simplify right side
    5,007.91x = 19,141,976.46
  5. Step 5: Solve for x
    x = 19,141,976.46/5,007.91
  6. Step 6: Final answer
    x = 3,822.35

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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.