Home / 6,721.18-9,275.22-3,736.92

Finding the Fourth Proportional to 6,721.18, 9,275.22 and 3,736.92

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Solution

The fourth proportional to 6,721.18, 9,275.22 and 3,736.92 is: 5,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.18 : 9,275.22 = 3,736.92 : x
  2. Step 2: Convert to fraction form
    6,721.18/9,275.22 = 3,736.92/x
  3. Step 3: Cross multiply
    6,721.18x = 9,275.22 × 3,736.92
  4. Step 4: Simplify right side
    6,721.18x = 34,660,755.12
  5. Step 5: Solve for x
    x = 34,660,755.12/6,721.18
  6. Step 6: Final answer
    x = 5,156.94

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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.