Home / 6,600.32-9,105.84-3,805.28

Finding the Fourth Proportional to 6,600.32, 9,105.84 and 3,805.28

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Solution

The fourth proportional to 6,600.32, 9,105.84 and 3,805.28 is: 5,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.32 : 9,105.84 = 3,805.28 : x
  2. Step 2: Convert to fraction form
    6,600.32/9,105.84 = 3,805.28/x
  3. Step 3: Cross multiply
    6,600.32x = 9,105.84 × 3,805.28
  4. Step 4: Simplify right side
    6,600.32x = 34,650,270.84
  5. Step 5: Solve for x
    x = 34,650,270.84/6,600.32
  6. Step 6: Final answer
    x = 5,249.79

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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.