Home / 3,046.70-4,202.52-1,927.28

Finding the Fourth Proportional to 3,046.70, 4,202.52 and 1,927.28

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Solution

The fourth proportional to 3,046.70, 4,202.52 and 1,927.28 is: 2,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.70 : 4,202.52 = 1,927.28 : x
  2. Step 2: Convert to fraction form
    3,046.70/4,202.52 = 1,927.28/x
  3. Step 3: Cross multiply
    3,046.70x = 4,202.52 × 1,927.28
  4. Step 4: Simplify right side
    3,046.70x = 8,099,432.75
  5. Step 5: Solve for x
    x = 8,099,432.75/3,046.70
  6. Step 6: Final answer
    x = 2,658.43

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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.