Home / 5,623.46-7,757.72-3,634.64

Finding the Fourth Proportional to 5,623.46, 7,757.72 and 3,634.64

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Solution

The fourth proportional to 5,623.46, 7,757.72 and 3,634.64 is: 5,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.46 : 7,757.72 = 3,634.64 : x
  2. Step 2: Convert to fraction form
    5,623.46/7,757.72 = 3,634.64/x
  3. Step 3: Cross multiply
    5,623.46x = 7,757.72 × 3,634.64
  4. Step 4: Simplify right side
    5,623.46x = 28,196,519.42
  5. Step 5: Solve for x
    x = 28,196,519.42/5,623.46
  6. Step 6: Final answer
    x = 5,014.09

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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.