Home / 6,787.92-9,367.20-4,425.60

Finding the Fourth Proportional to 6,787.92, 9,367.20 and 4,425.60

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Solution

The fourth proportional to 6,787.92, 9,367.20 and 4,425.60 is: 6,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.92 : 9,367.20 = 4,425.60 : x
  2. Step 2: Convert to fraction form
    6,787.92/9,367.20 = 4,425.60/x
  3. Step 3: Cross multiply
    6,787.92x = 9,367.20 × 4,425.60
  4. Step 4: Simplify right side
    6,787.92x = 41,455,480.32
  5. Step 5: Solve for x
    x = 41,455,480.32/6,787.92
  6. Step 6: Final answer
    x = 6,107.24

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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.