Home / 5,122.34-7,067.76-3,629.71

Finding the Fourth Proportional to 5,122.34, 7,067.76 and 3,629.71

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Solution

The fourth proportional to 5,122.34, 7,067.76 and 3,629.71 is: 5,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.34 : 7,067.76 = 3,629.71 : x
  2. Step 2: Convert to fraction form
    5,122.34/7,067.76 = 3,629.71/x
  3. Step 3: Cross multiply
    5,122.34x = 7,067.76 × 3,629.71
  4. Step 4: Simplify right side
    5,122.34x = 25,653,914.37
  5. Step 5: Solve for x
    x = 25,653,914.37/5,122.34
  6. Step 6: Final answer
    x = 5,008.24

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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.