Home / 7,067.25-9,754.95-4,085.19

Finding the Fourth Proportional to 7,067.25, 9,754.95 and 4,085.19

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Solution

The fourth proportional to 7,067.25, 9,754.95 and 4,085.19 is: 5,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.25 : 9,754.95 = 4,085.19 : x
  2. Step 2: Convert to fraction form
    7,067.25/9,754.95 = 4,085.19/x
  3. Step 3: Cross multiply
    7,067.25x = 9,754.95 × 4,085.19
  4. Step 4: Simplify right side
    7,067.25x = 39,850,824.19
  5. Step 5: Solve for x
    x = 39,850,824.19/7,067.25
  6. Step 6: Final answer
    x = 5,638.80

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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.