Home / 3,781.74-5,670.86-2,026.46

Finding the Fourth Proportional to 3,781.74, 5,670.86 and 2,026.46

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Solution

The fourth proportional to 3,781.74, 5,670.86 and 2,026.46 is: 3,038.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.74 : 5,670.86 = 2,026.46 : x
  2. Step 2: Convert to fraction form
    3,781.74/5,670.86 = 2,026.46/x
  3. Step 3: Cross multiply
    3,781.74x = 5,670.86 × 2,026.46
  4. Step 4: Simplify right side
    3,781.74x = 11,491,770.96
  5. Step 5: Solve for x
    x = 11,491,770.96/3,781.74
  6. Step 6: Final answer
    x = 3,038.75

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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.