Home / 5,606.76-8,402.22-3,109.05

Finding the Fourth Proportional to 5,606.76, 8,402.22 and 3,109.05

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Solution

The fourth proportional to 5,606.76, 8,402.22 and 3,109.05 is: 4,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.76 : 8,402.22 = 3,109.05 : x
  2. Step 2: Convert to fraction form
    5,606.76/8,402.22 = 3,109.05/x
  3. Step 3: Cross multiply
    5,606.76x = 8,402.22 × 3,109.05
  4. Step 4: Simplify right side
    5,606.76x = 26,122,936.98
  5. Step 5: Solve for x
    x = 26,122,936.98/5,606.76
  6. Step 6: Final answer
    x = 4,659.18

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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.