Home / 3,951.45-5,452.96-2,182.94

Finding the Fourth Proportional to 3,951.45, 5,452.96 and 2,182.94

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Solution

The fourth proportional to 3,951.45, 5,452.96 and 2,182.94 is: 3,012.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.45 : 5,452.96 = 2,182.94 : x
  2. Step 2: Convert to fraction form
    3,951.45/5,452.96 = 2,182.94/x
  3. Step 3: Cross multiply
    3,951.45x = 5,452.96 × 2,182.94
  4. Step 4: Simplify right side
    3,951.45x = 11,903,484.50
  5. Step 5: Solve for x
    x = 11,903,484.50/3,951.45
  6. Step 6: Final answer
    x = 3,012.43

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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.