Home / 5,318.22-7,338.09-2,959.91

Finding the Fourth Proportional to 5,318.22, 7,338.09 and 2,959.91

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Solution

The fourth proportional to 5,318.22, 7,338.09 and 2,959.91 is: 4,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.22 : 7,338.09 = 2,959.91 : x
  2. Step 2: Convert to fraction form
    5,318.22/7,338.09 = 2,959.91/x
  3. Step 3: Cross multiply
    5,318.22x = 7,338.09 × 2,959.91
  4. Step 4: Simplify right side
    5,318.22x = 21,720,085.97
  5. Step 5: Solve for x
    x = 21,720,085.97/5,318.22
  6. Step 6: Final answer
    x = 4,084.09

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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.