Home / 5,987.72-8,977.66-2,867.62

Finding the Fourth Proportional to 5,987.72, 8,977.66 and 2,867.62

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Solution

The fourth proportional to 5,987.72, 8,977.66 and 2,867.62 is: 4,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.72 : 8,977.66 = 2,867.62 : x
  2. Step 2: Convert to fraction form
    5,987.72/8,977.66 = 2,867.62/x
  3. Step 3: Cross multiply
    5,987.72x = 8,977.66 × 2,867.62
  4. Step 4: Simplify right side
    5,987.72x = 25,744,537.55
  5. Step 5: Solve for x
    x = 25,744,537.55/5,987.72
  6. Step 6: Final answer
    x = 4,299.56

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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.