Home / 6,691.09-9,234.23-3,707.20

Finding the Fourth Proportional to 6,691.09, 9,234.23 and 3,707.20

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Solution

The fourth proportional to 6,691.09, 9,234.23 and 3,707.20 is: 5,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.09 : 9,234.23 = 3,707.20 : x
  2. Step 2: Convert to fraction form
    6,691.09/9,234.23 = 3,707.20/x
  3. Step 3: Cross multiply
    6,691.09x = 9,234.23 × 3,707.20
  4. Step 4: Simplify right side
    6,691.09x = 34,233,137.46
  5. Step 5: Solve for x
    x = 34,233,137.46/6,691.09
  6. Step 6: Final answer
    x = 5,116.23

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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.