Home / 6,211.31-9,316.83-2,922.58

Finding the Fourth Proportional to 6,211.31, 9,316.83 and 2,922.58

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Solution

The fourth proportional to 6,211.31, 9,316.83 and 2,922.58 is: 4,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.31 : 9,316.83 = 2,922.58 : x
  2. Step 2: Convert to fraction form
    6,211.31/9,316.83 = 2,922.58/x
  3. Step 3: Cross multiply
    6,211.31x = 9,316.83 × 2,922.58
  4. Step 4: Simplify right side
    6,211.31x = 27,229,181.02
  5. Step 5: Solve for x
    x = 27,229,181.02/6,211.31
  6. Step 6: Final answer
    x = 4,383.81

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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.