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Finding the Fourth Proportional to 5,193.84, 7,791.84 and 1,731

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Solution

The fourth proportional to 5,193.84, 7,791.84 and 1,731 is: 2,596.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.84 : 7,791.84 = 1,731 : x
  2. Step 2: Convert to fraction form
    5,193.84/7,791.84 = 1,731/x
  3. Step 3: Cross multiply
    5,193.84x = 7,791.84 × 1,731
  4. Step 4: Simplify right side
    5,193.84x = 13,487,675.04
  5. Step 5: Solve for x
    x = 13,487,675.04/5,193.84
  6. Step 6: Final answer
    x = 2,596.86

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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.