Home / 3,530.43-4,872.02-1,958.54

Finding the Fourth Proportional to 3,530.43, 4,872.02 and 1,958.54

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Solution

The fourth proportional to 3,530.43, 4,872.02 and 1,958.54 is: 2,702.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.43 : 4,872.02 = 1,958.54 : x
  2. Step 2: Convert to fraction form
    3,530.43/4,872.02 = 1,958.54/x
  3. Step 3: Cross multiply
    3,530.43x = 4,872.02 × 1,958.54
  4. Step 4: Simplify right side
    3,530.43x = 9,542,011.90
  5. Step 5: Solve for x
    x = 9,542,011.90/3,530.43
  6. Step 6: Final answer
    x = 2,702.79

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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.