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Finding the Fourth Proportional to 4,997.72, 6,897.02 and 2,759.67

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Solution

The fourth proportional to 4,997.72, 6,897.02 and 2,759.67 is: 3,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.72 : 6,897.02 = 2,759.67 : x
  2. Step 2: Convert to fraction form
    4,997.72/6,897.02 = 2,759.67/x
  3. Step 3: Cross multiply
    4,997.72x = 6,897.02 × 2,759.67
  4. Step 4: Simplify right side
    4,997.72x = 19,033,485.39
  5. Step 5: Solve for x
    x = 19,033,485.39/4,997.72
  6. Step 6: Final answer
    x = 3,808.43

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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.