Home / 5,786.16-8,677.44-2,087.91

Finding the Fourth Proportional to 5,786.16, 8,677.44 and 2,087.91

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Solution

The fourth proportional to 5,786.16, 8,677.44 and 2,087.91 is: 3,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.16 : 8,677.44 = 2,087.91 : x
  2. Step 2: Convert to fraction form
    5,786.16/8,677.44 = 2,087.91/x
  3. Step 3: Cross multiply
    5,786.16x = 8,677.44 × 2,087.91
  4. Step 4: Simplify right side
    5,786.16x = 18,117,689.04
  5. Step 5: Solve for x
    x = 18,117,689.04/5,786.16
  6. Step 6: Final answer
    x = 3,131.21

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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.