Home / 5,644.31-8,464.11-2,133.71

Finding the Fourth Proportional to 5,644.31, 8,464.11 and 2,133.71

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Solution

The fourth proportional to 5,644.31, 8,464.11 and 2,133.71 is: 3,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.31 : 8,464.11 = 2,133.71 : x
  2. Step 2: Convert to fraction form
    5,644.31/8,464.11 = 2,133.71/x
  3. Step 3: Cross multiply
    5,644.31x = 8,464.11 × 2,133.71
  4. Step 4: Simplify right side
    5,644.31x = 18,059,956.15
  5. Step 5: Solve for x
    x = 18,059,956.15/5,644.31
  6. Step 6: Final answer
    x = 3,199.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.