Home / 6,616.91-9,131.38-3,633.02

Finding the Fourth Proportional to 6,616.91, 9,131.38 and 3,633.02

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Solution

The fourth proportional to 6,616.91, 9,131.38 and 3,633.02 is: 5,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.91 : 9,131.38 = 3,633.02 : x
  2. Step 2: Convert to fraction form
    6,616.91/9,131.38 = 3,633.02/x
  3. Step 3: Cross multiply
    6,616.91x = 9,131.38 × 3,633.02
  4. Step 4: Simplify right side
    6,616.91x = 33,174,486.11
  5. Step 5: Solve for x
    x = 33,174,486.11/6,616.91
  6. Step 6: Final answer
    x = 5,013.59

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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.