Home / 4,812.21-6,644.61-3,691.37

Finding the Fourth Proportional to 4,812.21, 6,644.61 and 3,691.37

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Solution

The fourth proportional to 4,812.21, 6,644.61 and 3,691.37 is: 5,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.21 : 6,644.61 = 3,691.37 : x
  2. Step 2: Convert to fraction form
    4,812.21/6,644.61 = 3,691.37/x
  3. Step 3: Cross multiply
    4,812.21x = 6,644.61 × 3,691.37
  4. Step 4: Simplify right side
    4,812.21x = 24,527,730.63
  5. Step 5: Solve for x
    x = 24,527,730.63/4,812.21
  6. Step 6: Final answer
    x = 5,096.98

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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.