Home / 5,631.56-7,772.22-3,394.57

Finding the Fourth Proportional to 5,631.56, 7,772.22 and 3,394.57

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Solution

The fourth proportional to 5,631.56, 7,772.22 and 3,394.57 is: 4,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.56 : 7,772.22 = 3,394.57 : x
  2. Step 2: Convert to fraction form
    5,631.56/7,772.22 = 3,394.57/x
  3. Step 3: Cross multiply
    5,631.56x = 7,772.22 × 3,394.57
  4. Step 4: Simplify right side
    5,631.56x = 26,383,344.85
  5. Step 5: Solve for x
    x = 26,383,344.85/5,631.56
  6. Step 6: Final answer
    x = 4,684.91

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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.