Home / 5,238.25-7,228.59-2,848.12

Finding the Fourth Proportional to 5,238.25, 7,228.59 and 2,848.12

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Solution

The fourth proportional to 5,238.25, 7,228.59 and 2,848.12 is: 3,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.25 : 7,228.59 = 2,848.12 : x
  2. Step 2: Convert to fraction form
    5,238.25/7,228.59 = 2,848.12/x
  3. Step 3: Cross multiply
    5,238.25x = 7,228.59 × 2,848.12
  4. Step 4: Simplify right side
    5,238.25x = 20,587,891.75
  5. Step 5: Solve for x
    x = 20,587,891.75/5,238.25
  6. Step 6: Final answer
    x = 3,930.30

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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.