Home / 3,026.74-4,170.72-2,185.96

Finding the Fourth Proportional to 3,026.74, 4,170.72 and 2,185.96

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Solution

The fourth proportional to 3,026.74, 4,170.72 and 2,185.96 is: 3,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.74 : 4,170.72 = 2,185.96 : x
  2. Step 2: Convert to fraction form
    3,026.74/4,170.72 = 2,185.96/x
  3. Step 3: Cross multiply
    3,026.74x = 4,170.72 × 2,185.96
  4. Step 4: Simplify right side
    3,026.74x = 9,117,027.09
  5. Step 5: Solve for x
    x = 9,117,027.09/3,026.74
  6. Step 6: Final answer
    x = 3,012.16

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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.