Home / 4,891.44-6,753.05-3,215.76

Finding the Fourth Proportional to 4,891.44, 6,753.05 and 3,215.76

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Solution

The fourth proportional to 4,891.44, 6,753.05 and 3,215.76 is: 4,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.44 : 6,753.05 = 3,215.76 : x
  2. Step 2: Convert to fraction form
    4,891.44/6,753.05 = 3,215.76/x
  3. Step 3: Cross multiply
    4,891.44x = 6,753.05 × 3,215.76
  4. Step 4: Simplify right side
    4,891.44x = 21,716,188.07
  5. Step 5: Solve for x
    x = 21,716,188.07/4,891.44
  6. Step 6: Final answer
    x = 4,439.63

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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.