Home / 5,806.13-8,705.33-2,107.88

Finding the Fourth Proportional to 5,806.13, 8,705.33 and 2,107.88

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Solution

The fourth proportional to 5,806.13, 8,705.33 and 2,107.88 is: 3,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.13 : 8,705.33 = 2,107.88 : x
  2. Step 2: Convert to fraction form
    5,806.13/8,705.33 = 2,107.88/x
  3. Step 3: Cross multiply
    5,806.13x = 8,705.33 × 2,107.88
  4. Step 4: Simplify right side
    5,806.13x = 18,349,736.93
  5. Step 5: Solve for x
    x = 18,349,736.93/5,806.13
  6. Step 6: Final answer
    x = 3,160.41

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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.