Home / 4,168.74-5,749.62-2,676.80

Finding the Fourth Proportional to 4,168.74, 5,749.62 and 2,676.80

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Solution

The fourth proportional to 4,168.74, 5,749.62 and 2,676.80 is: 3,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.74 : 5,749.62 = 2,676.80 : x
  2. Step 2: Convert to fraction form
    4,168.74/5,749.62 = 2,676.80/x
  3. Step 3: Cross multiply
    4,168.74x = 5,749.62 × 2,676.80
  4. Step 4: Simplify right side
    4,168.74x = 15,390,582.82
  5. Step 5: Solve for x
    x = 15,390,582.82/4,168.74
  6. Step 6: Final answer
    x = 3,691.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.