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Finding the Fourth Proportional to 5,291.18, 7,936.85 and 2,003.39

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Solution

The fourth proportional to 5,291.18, 7,936.85 and 2,003.39 is: 3,005.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.18 : 7,936.85 = 2,003.39 : x
  2. Step 2: Convert to fraction form
    5,291.18/7,936.85 = 2,003.39/x
  3. Step 3: Cross multiply
    5,291.18x = 7,936.85 × 2,003.39
  4. Step 4: Simplify right side
    5,291.18x = 15,900,630.77
  5. Step 5: Solve for x
    x = 15,900,630.77/5,291.18
  6. Step 6: Final answer
    x = 3,005.12

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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.