Home / 6,609.60-9,121.26-3,625.56

Finding the Fourth Proportional to 6,609.60, 9,121.26 and 3,625.56

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Solution

The fourth proportional to 6,609.60, 9,121.26 and 3,625.56 is: 5,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.60 : 9,121.26 = 3,625.56 : x
  2. Step 2: Convert to fraction form
    6,609.60/9,121.26 = 3,625.56/x
  3. Step 3: Cross multiply
    6,609.60x = 9,121.26 × 3,625.56
  4. Step 4: Simplify right side
    6,609.60x = 33,069,675.41
  5. Step 5: Solve for x
    x = 33,069,675.41/6,609.60
  6. Step 6: Final answer
    x = 5,003.28

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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.