Home / 2,873.48-3,965.36-1,694.12

Finding the Fourth Proportional to 2,873.48, 3,965.36 and 1,694.12

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Solution

The fourth proportional to 2,873.48, 3,965.36 and 1,694.12 is: 2,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.48 : 3,965.36 = 1,694.12 : x
  2. Step 2: Convert to fraction form
    2,873.48/3,965.36 = 1,694.12/x
  3. Step 3: Cross multiply
    2,873.48x = 3,965.36 × 1,694.12
  4. Step 4: Simplify right side
    2,873.48x = 6,717,767.39
  5. Step 5: Solve for x
    x = 6,717,767.39/2,873.48
  6. Step 6: Final answer
    x = 2,337.85

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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.