Home / 6,721.74-9,275.92-3,737.50

Finding the Fourth Proportional to 6,721.74, 9,275.92 and 3,737.50

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Solution

The fourth proportional to 6,721.74, 9,275.92 and 3,737.50 is: 5,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.74 : 9,275.92 = 3,737.50 : x
  2. Step 2: Convert to fraction form
    6,721.74/9,275.92 = 3,737.50/x
  3. Step 3: Cross multiply
    6,721.74x = 9,275.92 × 3,737.50
  4. Step 4: Simplify right side
    6,721.74x = 34,668,718.47
  5. Step 5: Solve for x
    x = 34,668,718.47/6,721.74
  6. Step 6: Final answer
    x = 5,157.70

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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.