Home / 5,825.90-8,039.56-3,173.28

Finding the Fourth Proportional to 5,825.90, 8,039.56 and 3,173.28

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Solution

The fourth proportional to 5,825.90, 8,039.56 and 3,173.28 is: 4,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.90 : 8,039.56 = 3,173.28 : x
  2. Step 2: Convert to fraction form
    5,825.90/8,039.56 = 3,173.28/x
  3. Step 3: Cross multiply
    5,825.90x = 8,039.56 × 3,173.28
  4. Step 4: Simplify right side
    5,825.90x = 25,511,774.96
  5. Step 5: Solve for x
    x = 25,511,774.96/5,825.90
  6. Step 6: Final answer
    x = 4,379.03

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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.