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Finding the Fourth Proportional to 5,779.31, 7,975.31 and 3,261.35

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Solution

The fourth proportional to 5,779.31, 7,975.31 and 3,261.35 is: 4,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.31 : 7,975.31 = 3,261.35 : x
  2. Step 2: Convert to fraction form
    5,779.31/7,975.31 = 3,261.35/x
  3. Step 3: Cross multiply
    5,779.31x = 7,975.31 × 3,261.35
  4. Step 4: Simplify right side
    5,779.31x = 26,010,221.09
  5. Step 5: Solve for x
    x = 26,010,221.09/5,779.31
  6. Step 6: Final answer
    x = 4,500.58

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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.