Home / 3,095.82-4,272.16-1,679.44

Finding the Fourth Proportional to 3,095.82, 4,272.16 and 1,679.44

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Solution

The fourth proportional to 3,095.82, 4,272.16 and 1,679.44 is: 2,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.82 : 4,272.16 = 1,679.44 : x
  2. Step 2: Convert to fraction form
    3,095.82/4,272.16 = 1,679.44/x
  3. Step 3: Cross multiply
    3,095.82x = 4,272.16 × 1,679.44
  4. Step 4: Simplify right side
    3,095.82x = 7,174,836.39
  5. Step 5: Solve for x
    x = 7,174,836.39/3,095.82
  6. Step 6: Final answer
    x = 2,317.59

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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.