Home / 3,202.12-4,415.20-2,258.08

Finding the Fourth Proportional to 3,202.12, 4,415.20 and 2,258.08

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Solution

The fourth proportional to 3,202.12, 4,415.20 and 2,258.08 is: 3,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.12 : 4,415.20 = 2,258.08 : x
  2. Step 2: Convert to fraction form
    3,202.12/4,415.20 = 2,258.08/x
  3. Step 3: Cross multiply
    3,202.12x = 4,415.20 × 2,258.08
  4. Step 4: Simplify right side
    3,202.12x = 9,969,874.82
  5. Step 5: Solve for x
    x = 9,969,874.82/3,202.12
  6. Step 6: Final answer
    x = 3,113.52

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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.