Home / 3,838.19-5,296.23-2,159.33

Finding the Fourth Proportional to 3,838.19, 5,296.23 and 2,159.33

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Solution

The fourth proportional to 3,838.19, 5,296.23 and 2,159.33 is: 2,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.19 : 5,296.23 = 2,159.33 : x
  2. Step 2: Convert to fraction form
    3,838.19/5,296.23 = 2,159.33/x
  3. Step 3: Cross multiply
    3,838.19x = 5,296.23 × 2,159.33
  4. Step 4: Simplify right side
    3,838.19x = 11,436,281.84
  5. Step 5: Solve for x
    x = 11,436,281.84/3,838.19
  6. Step 6: Final answer
    x = 2,979.61

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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.