Home / 5,986.48-8,979.74-2,089.97

Finding the Fourth Proportional to 5,986.48, 8,979.74 and 2,089.97

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Solution

The fourth proportional to 5,986.48, 8,979.74 and 2,089.97 is: 3,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.48 : 8,979.74 = 2,089.97 : x
  2. Step 2: Convert to fraction form
    5,986.48/8,979.74 = 2,089.97/x
  3. Step 3: Cross multiply
    5,986.48x = 8,979.74 × 2,089.97
  4. Step 4: Simplify right side
    5,986.48x = 18,767,376.76
  5. Step 5: Solve for x
    x = 18,767,376.76/5,986.48
  6. Step 6: Final answer
    x = 3,134.96

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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.