Home / 4,712.57-7,067.77-2,116.25

Finding the Fourth Proportional to 4,712.57, 7,067.77 and 2,116.25

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Solution

The fourth proportional to 4,712.57, 7,067.77 and 2,116.25 is: 3,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.57 : 7,067.77 = 2,116.25 : x
  2. Step 2: Convert to fraction form
    4,712.57/7,067.77 = 2,116.25/x
  3. Step 3: Cross multiply
    4,712.57x = 7,067.77 × 2,116.25
  4. Step 4: Simplify right side
    4,712.57x = 14,957,168.26
  5. Step 5: Solve for x
    x = 14,957,168.26/4,712.57
  6. Step 6: Final answer
    x = 3,173.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.