Home / 6,746.38-10,120.77-2,066.29

Finding the Fourth Proportional to 6,746.38, 10,120.77 and 2,066.29

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Solution

The fourth proportional to 6,746.38, 10,120.77 and 2,066.29 is: 3,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.38 : 10,120.77 = 2,066.29 : x
  2. Step 2: Convert to fraction form
    6,746.38/10,120.77 = 2,066.29/x
  3. Step 3: Cross multiply
    6,746.38x = 10,120.77 × 2,066.29
  4. Step 4: Simplify right side
    6,746.38x = 20,912,445.84
  5. Step 5: Solve for x
    x = 20,912,445.84/6,746.38
  6. Step 6: Final answer
    x = 3,099.80

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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.