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Finding the Fourth Proportional to 4,997.84, 6,897.16 and 2,759.92

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Solution

The fourth proportional to 4,997.84, 6,897.16 and 2,759.92 is: 3,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.84 : 6,897.16 = 2,759.92 : x
  2. Step 2: Convert to fraction form
    4,997.84/6,897.16 = 2,759.92/x
  3. Step 3: Cross multiply
    4,997.84x = 6,897.16 × 2,759.92
  4. Step 4: Simplify right side
    4,997.84x = 19,035,609.83
  5. Step 5: Solve for x
    x = 19,035,609.83/4,997.84
  6. Step 6: Final answer
    x = 3,808.77

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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.