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Finding the Fourth Proportional to 6,897.94, 10,347.89 and 2,738.39

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Solution

The fourth proportional to 6,897.94, 10,347.89 and 2,738.39 is: 4,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.94 : 10,347.89 = 2,738.39 : x
  2. Step 2: Convert to fraction form
    6,897.94/10,347.89 = 2,738.39/x
  3. Step 3: Cross multiply
    6,897.94x = 10,347.89 × 2,738.39
  4. Step 4: Simplify right side
    6,897.94x = 28,336,551.27
  5. Step 5: Solve for x
    x = 28,336,551.27/6,897.94
  6. Step 6: Final answer
    x = 4,107.97

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1.5x scale

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.