Home / 5,381.12-8,073.92-2,096.52

Finding the Fourth Proportional to 5,381.12, 8,073.92 and 2,096.52

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Solution

The fourth proportional to 5,381.12, 8,073.92 and 2,096.52 is: 3,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.12 : 8,073.92 = 2,096.52 : x
  2. Step 2: Convert to fraction form
    5,381.12/8,073.92 = 2,096.52/x
  3. Step 3: Cross multiply
    5,381.12x = 8,073.92 × 2,096.52
  4. Step 4: Simplify right side
    5,381.12x = 16,927,134.76
  5. Step 5: Solve for x
    x = 16,927,134.76/5,381.12
  6. Step 6: Final answer
    x = 3,145.65

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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.