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Finding the Fourth Proportional to 4,393.97, 6,590.96 and 1,619.44

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Solution

The fourth proportional to 4,393.97, 6,590.96 and 1,619.44 is: 2,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.97 : 6,590.96 = 1,619.44 : x
  2. Step 2: Convert to fraction form
    4,393.97/6,590.96 = 1,619.44/x
  3. Step 3: Cross multiply
    4,393.97x = 6,590.96 × 1,619.44
  4. Step 4: Simplify right side
    4,393.97x = 10,673,664.26
  5. Step 5: Solve for x
    x = 10,673,664.26/4,393.97
  6. Step 6: Final answer
    x = 2,429.16

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Similar ratio
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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.