Home / 5,732.25-7,910.83-3,215.16

Finding the Fourth Proportional to 5,732.25, 7,910.83 and 3,215.16

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Solution

The fourth proportional to 5,732.25, 7,910.83 and 3,215.16 is: 4,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,732.25 : 7,910.83 = 3,215.16 : x
  2. Step 2: Convert to fraction form
    5,732.25/7,910.83 = 3,215.16/x
  3. Step 3: Cross multiply
    5,732.25x = 7,910.83 × 3,215.16
  4. Step 4: Simplify right side
    5,732.25x = 25,434,584.18
  5. Step 5: Solve for x
    x = 25,434,584.18/5,732.25
  6. Step 6: Final answer
    x = 4,437.10

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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.