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Finding the Fourth Proportional to 3,585.58, 5,379.72 and 1,394.44

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Solution

The fourth proportional to 3,585.58, 5,379.72 and 1,394.44 is: 2,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.58 : 5,379.72 = 1,394.44 : x
  2. Step 2: Convert to fraction form
    3,585.58/5,379.72 = 1,394.44/x
  3. Step 3: Cross multiply
    3,585.58x = 5,379.72 × 1,394.44
  4. Step 4: Simplify right side
    3,585.58x = 7,501,696.76
  5. Step 5: Solve for x
    x = 7,501,696.76/3,585.58
  6. Step 6: Final answer
    x = 2,092.19

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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.