Home / 3,151.36-4,348.13-1,892.01

Finding the Fourth Proportional to 3,151.36, 4,348.13 and 1,892.01

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Solution

The fourth proportional to 3,151.36, 4,348.13 and 1,892.01 is: 2,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.36 : 4,348.13 = 1,892.01 : x
  2. Step 2: Convert to fraction form
    3,151.36/4,348.13 = 1,892.01/x
  3. Step 3: Cross multiply
    3,151.36x = 4,348.13 × 1,892.01
  4. Step 4: Simplify right side
    3,151.36x = 8,226,705.44
  5. Step 5: Solve for x
    x = 8,226,705.44/3,151.36
  6. Step 6: Final answer
    x = 2,610.53

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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.