Home / 3,326.19-4,589.91-1,999.68

Finding the Fourth Proportional to 3,326.19, 4,589.91 and 1,999.68

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Solution

The fourth proportional to 3,326.19, 4,589.91 and 1,999.68 is: 2,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.19 : 4,589.91 = 1,999.68 : x
  2. Step 2: Convert to fraction form
    3,326.19/4,589.91 = 1,999.68/x
  3. Step 3: Cross multiply
    3,326.19x = 4,589.91 × 1,999.68
  4. Step 4: Simplify right side
    3,326.19x = 9,178,351.23
  5. Step 5: Solve for x
    x = 9,178,351.23/3,326.19
  6. Step 6: Final answer
    x = 2,759.42

Related Problems

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Half scale
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Double scale
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1.5x scale

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.