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Finding the Fourth Proportional to 3,588, 4,951.44 and 2,191.02

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Solution

The fourth proportional to 3,588, 4,951.44 and 2,191.02 is: 3,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588 : 4,951.44 = 2,191.02 : x
  2. Step 2: Convert to fraction form
    3,588/4,951.44 = 2,191.02/x
  3. Step 3: Cross multiply
    3,588x = 4,951.44 × 2,191.02
  4. Step 4: Simplify right side
    3,588x = 10,848,704.07
  5. Step 5: Solve for x
    x = 10,848,704.07/3,588
  6. Step 6: Final answer
    x = 3,023.61

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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.