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Finding the Fourth Proportional to 3,584.70, 5,379.03 and 1,393.52

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Solution

The fourth proportional to 3,584.70, 5,379.03 and 1,393.52 is: 2,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.70 : 5,379.03 = 1,393.52 : x
  2. Step 2: Convert to fraction form
    3,584.70/5,379.03 = 1,393.52/x
  3. Step 3: Cross multiply
    3,584.70x = 5,379.03 × 1,393.52
  4. Step 4: Simplify right side
    3,584.70x = 7,495,758.99
  5. Step 5: Solve for x
    x = 7,495,758.99/3,584.70
  6. Step 6: Final answer
    x = 2,091.04

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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.