Home / 5,675.87-7,832.16-3,157.75

Finding the Fourth Proportional to 5,675.87, 7,832.16 and 3,157.75

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Solution

The fourth proportional to 5,675.87, 7,832.16 and 3,157.75 is: 4,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.87 : 7,832.16 = 3,157.75 : x
  2. Step 2: Convert to fraction form
    5,675.87/7,832.16 = 3,157.75/x
  3. Step 3: Cross multiply
    5,675.87x = 7,832.16 × 3,157.75
  4. Step 4: Simplify right side
    5,675.87x = 24,732,013.03
  5. Step 5: Solve for x
    x = 24,732,013.03/5,675.87
  6. Step 6: Final answer
    x = 4,357.39

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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.