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Finding the Fourth Proportional to 4,886.67, 6,744.24 and 2,997.87

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Solution

The fourth proportional to 4,886.67, 6,744.24 and 2,997.87 is: 4,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.67 : 6,744.24 = 2,997.87 : x
  2. Step 2: Convert to fraction form
    4,886.67/6,744.24 = 2,997.87/x
  3. Step 3: Cross multiply
    4,886.67x = 6,744.24 × 2,997.87
  4. Step 4: Simplify right side
    4,886.67x = 20,218,354.77
  5. Step 5: Solve for x
    x = 20,218,354.77/4,886.67
  6. Step 6: Final answer
    x = 4,137.45

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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.