Home / 3,865.20-5,333.76-2,293.44

Finding the Fourth Proportional to 3,865.20, 5,333.76 and 2,293.44

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Solution

The fourth proportional to 3,865.20, 5,333.76 and 2,293.44 is: 3,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.20 : 5,333.76 = 2,293.44 : x
  2. Step 2: Convert to fraction form
    3,865.20/5,333.76 = 2,293.44/x
  3. Step 3: Cross multiply
    3,865.20x = 5,333.76 × 2,293.44
  4. Step 4: Simplify right side
    3,865.20x = 12,232,658.53
  5. Step 5: Solve for x
    x = 12,232,658.53/3,865.20
  6. Step 6: Final answer
    x = 3,164.82

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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.