Home / 4,078.46-5,623.34-3,447.88

Finding the Fourth Proportional to 4,078.46, 5,623.34 and 3,447.88

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Solution

The fourth proportional to 4,078.46, 5,623.34 and 3,447.88 is: 4,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.46 : 5,623.34 = 3,447.88 : x
  2. Step 2: Convert to fraction form
    4,078.46/5,623.34 = 3,447.88/x
  3. Step 3: Cross multiply
    4,078.46x = 5,623.34 × 3,447.88
  4. Step 4: Simplify right side
    4,078.46x = 19,388,601.52
  5. Step 5: Solve for x
    x = 19,388,601.52/4,078.46
  6. Step 6: Final answer
    x = 4,753.90

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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.