Home / 6,721.73-9,275.99-3,737.59

Finding the Fourth Proportional to 6,721.73, 9,275.99 and 3,737.59

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Solution

The fourth proportional to 6,721.73, 9,275.99 and 3,737.59 is: 5,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.73 : 9,275.99 = 3,737.59 : x
  2. Step 2: Convert to fraction form
    6,721.73/9,275.99 = 3,737.59/x
  3. Step 3: Cross multiply
    6,721.73x = 9,275.99 × 3,737.59
  4. Step 4: Simplify right side
    6,721.73x = 34,669,805.59
  5. Step 5: Solve for x
    x = 34,669,805.59/6,721.73
  6. Step 6: Final answer
    x = 5,157.87

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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.