Home / 5,122.98-7,067.95-3,107.01

Finding the Fourth Proportional to 5,122.98, 7,067.95 and 3,107.01

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Solution

The fourth proportional to 5,122.98, 7,067.95 and 3,107.01 is: 4,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.98 : 7,067.95 = 3,107.01 : x
  2. Step 2: Convert to fraction form
    5,122.98/7,067.95 = 3,107.01/x
  3. Step 3: Cross multiply
    5,122.98x = 7,067.95 × 3,107.01
  4. Step 4: Simplify right side
    5,122.98x = 21,960,191.33
  5. Step 5: Solve for x
    x = 21,960,191.33/5,122.98
  6. Step 6: Final answer
    x = 4,286.60

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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.