Home / 6,635.39-9,156.91-3,651.17

Finding the Fourth Proportional to 6,635.39, 9,156.91 and 3,651.17

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Solution

The fourth proportional to 6,635.39, 9,156.91 and 3,651.17 is: 5,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.39 : 9,156.91 = 3,651.17 : x
  2. Step 2: Convert to fraction form
    6,635.39/9,156.91 = 3,651.17/x
  3. Step 3: Cross multiply
    6,635.39x = 9,156.91 × 3,651.17
  4. Step 4: Simplify right side
    6,635.39x = 33,433,380.17
  5. Step 5: Solve for x
    x = 33,433,380.17/6,635.39
  6. Step 6: Final answer
    x = 5,038.65

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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.