Home / 6,531.09-9,789.93-2,580.75

Finding the Fourth Proportional to 6,531.09, 9,789.93 and 2,580.75

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Solution

The fourth proportional to 6,531.09, 9,789.93 and 2,580.75 is: 3,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.09 : 9,789.93 = 2,580.75 : x
  2. Step 2: Convert to fraction form
    6,531.09/9,789.93 = 2,580.75/x
  3. Step 3: Cross multiply
    6,531.09x = 9,789.93 × 2,580.75
  4. Step 4: Simplify right side
    6,531.09x = 25,265,361.85
  5. Step 5: Solve for x
    x = 25,265,361.85/6,531.09
  6. Step 6: Final answer
    x = 3,868.48

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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.