Home / 2,235.96-3,352.41-1,138.20

Finding the Fourth Proportional to 2,235.96, 3,352.41 and 1,138.20

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Solution

The fourth proportional to 2,235.96, 3,352.41 and 1,138.20 is: 1,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.96 : 3,352.41 = 1,138.20 : x
  2. Step 2: Convert to fraction form
    2,235.96/3,352.41 = 1,138.20/x
  3. Step 3: Cross multiply
    2,235.96x = 3,352.41 × 1,138.20
  4. Step 4: Simplify right side
    2,235.96x = 3,815,713.06
  5. Step 5: Solve for x
    x = 3,815,713.06/2,235.96
  6. Step 6: Final answer
    x = 1,706.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.