Home / 6,609.44-9,121.28-3,625.40

Finding the Fourth Proportional to 6,609.44, 9,121.28 and 3,625.40

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Solution

The fourth proportional to 6,609.44, 9,121.28 and 3,625.40 is: 5,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.44 : 9,121.28 = 3,625.40 : x
  2. Step 2: Convert to fraction form
    6,609.44/9,121.28 = 3,625.40/x
  3. Step 3: Cross multiply
    6,609.44x = 9,121.28 × 3,625.40
  4. Step 4: Simplify right side
    6,609.44x = 33,068,320.38
  5. Step 5: Solve for x
    x = 33,068,320.38/6,609.44
  6. Step 6: Final answer
    x = 5,003.19

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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.