Home / 7,070.25-9,757.22-3,926.37

Finding the Fourth Proportional to 7,070.25, 9,757.22 and 3,926.37

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Solution

The fourth proportional to 7,070.25, 9,757.22 and 3,926.37 is: 5,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.25 : 9,757.22 = 3,926.37 : x
  2. Step 2: Convert to fraction form
    7,070.25/9,757.22 = 3,926.37/x
  3. Step 3: Cross multiply
    7,070.25x = 9,757.22 × 3,926.37
  4. Step 4: Simplify right side
    7,070.25x = 38,310,436.26
  5. Step 5: Solve for x
    x = 38,310,436.26/7,070.25
  6. Step 6: Final answer
    x = 5,418.54

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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.