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Finding the Fourth Proportional to 5,283.96, 7,926.03 and 1,998.60

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Solution

The fourth proportional to 5,283.96, 7,926.03 and 1,998.60 is: 2,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.96 : 7,926.03 = 1,998.60 : x
  2. Step 2: Convert to fraction form
    5,283.96/7,926.03 = 1,998.60/x
  3. Step 3: Cross multiply
    5,283.96x = 7,926.03 × 1,998.60
  4. Step 4: Simplify right side
    5,283.96x = 15,840,963.56
  5. Step 5: Solve for x
    x = 15,840,963.56/5,283.96
  6. Step 6: Final answer
    x = 2,997.93

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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.