Home / 5,815.94-8,025.91-3,425.72

Finding the Fourth Proportional to 5,815.94, 8,025.91 and 3,425.72

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Solution

The fourth proportional to 5,815.94, 8,025.91 and 3,425.72 is: 4,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.94 : 8,025.91 = 3,425.72 : x
  2. Step 2: Convert to fraction form
    5,815.94/8,025.91 = 3,425.72/x
  3. Step 3: Cross multiply
    5,815.94x = 8,025.91 × 3,425.72
  4. Step 4: Simplify right side
    5,815.94x = 27,494,471.71
  5. Step 5: Solve for x
    x = 27,494,471.71/5,815.94
  6. Step 6: Final answer
    x = 4,727.44

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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.