Home / 4,147.81-5,721.44-3,027.38

Finding the Fourth Proportional to 4,147.81, 5,721.44 and 3,027.38

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Solution

The fourth proportional to 4,147.81, 5,721.44 and 3,027.38 is: 4,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.81 : 5,721.44 = 3,027.38 : x
  2. Step 2: Convert to fraction form
    4,147.81/5,721.44 = 3,027.38/x
  3. Step 3: Cross multiply
    4,147.81x = 5,721.44 × 3,027.38
  4. Step 4: Simplify right side
    4,147.81x = 17,320,929.28
  5. Step 5: Solve for x
    x = 17,320,929.28/4,147.81
  6. Step 6: Final answer
    x = 4,175.92

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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.