Home / 5,422.59-8,134.70-1,723.73

Finding the Fourth Proportional to 5,422.59, 8,134.70 and 1,723.73

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Solution

The fourth proportional to 5,422.59, 8,134.70 and 1,723.73 is: 2,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.59 : 8,134.70 = 1,723.73 : x
  2. Step 2: Convert to fraction form
    5,422.59/8,134.70 = 1,723.73/x
  3. Step 3: Cross multiply
    5,422.59x = 8,134.70 × 1,723.73
  4. Step 4: Simplify right side
    5,422.59x = 14,021,977.14
  5. Step 5: Solve for x
    x = 14,021,977.14/5,422.59
  6. Step 6: Final answer
    x = 2,585.84

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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.