Home / 4,243.82-5,854.88-3,127.44

Finding the Fourth Proportional to 4,243.82, 5,854.88 and 3,127.44

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Solution

The fourth proportional to 4,243.82, 5,854.88 and 3,127.44 is: 4,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.82 : 5,854.88 = 3,127.44 : x
  2. Step 2: Convert to fraction form
    4,243.82/5,854.88 = 3,127.44/x
  3. Step 3: Cross multiply
    4,243.82x = 5,854.88 × 3,127.44
  4. Step 4: Simplify right side
    4,243.82x = 18,310,785.91
  5. Step 5: Solve for x
    x = 18,310,785.91/4,243.82
  6. Step 6: Final answer
    x = 4,314.69

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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.