Home / 5,619.92-7,754.88-3,261.68

Finding the Fourth Proportional to 5,619.92, 7,754.88 and 3,261.68

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Solution

The fourth proportional to 5,619.92, 7,754.88 and 3,261.68 is: 4,500.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.92 : 7,754.88 = 3,261.68 : x
  2. Step 2: Convert to fraction form
    5,619.92/7,754.88 = 3,261.68/x
  3. Step 3: Cross multiply
    5,619.92x = 7,754.88 × 3,261.68
  4. Step 4: Simplify right side
    5,619.92x = 25,293,937.00
  5. Step 5: Solve for x
    x = 25,293,937.00/5,619.92
  6. Step 6: Final answer
    x = 4,500.76

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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.