Home / 5,987.72-8,985.69-2,092.13

Finding the Fourth Proportional to 5,987.72, 8,985.69 and 2,092.13

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Solution

The fourth proportional to 5,987.72, 8,985.69 and 2,092.13 is: 3,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.72 : 8,985.69 = 2,092.13 : x
  2. Step 2: Convert to fraction form
    5,987.72/8,985.69 = 2,092.13/x
  3. Step 3: Cross multiply
    5,987.72x = 8,985.69 × 2,092.13
  4. Step 4: Simplify right side
    5,987.72x = 18,799,176.23
  5. Step 5: Solve for x
    x = 18,799,176.23/5,987.72
  6. Step 6: Final answer
    x = 3,139.62

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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.