Home / 6,601.12-9,108.39-3,767.20

Finding the Fourth Proportional to 6,601.12, 9,108.39 and 3,767.20

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Solution

The fourth proportional to 6,601.12, 9,108.39 and 3,767.20 is: 5,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.12 : 9,108.39 = 3,767.20 : x
  2. Step 2: Convert to fraction form
    6,601.12/9,108.39 = 3,767.20/x
  3. Step 3: Cross multiply
    6,601.12x = 9,108.39 × 3,767.20
  4. Step 4: Simplify right side
    6,601.12x = 34,313,126.81
  5. Step 5: Solve for x
    x = 34,313,126.81/6,601.12
  6. Step 6: Final answer
    x = 5,198.08

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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.