Home / 5,625.76-8,436.52-1,926.96

Finding the Fourth Proportional to 5,625.76, 8,436.52 and 1,926.96

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Solution

The fourth proportional to 5,625.76, 8,436.52 and 1,926.96 is: 2,889.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.76 : 8,436.52 = 1,926.96 : x
  2. Step 2: Convert to fraction form
    5,625.76/8,436.52 = 1,926.96/x
  3. Step 3: Cross multiply
    5,625.76x = 8,436.52 × 1,926.96
  4. Step 4: Simplify right side
    5,625.76x = 16,256,836.58
  5. Step 5: Solve for x
    x = 16,256,836.58/5,625.76
  6. Step 6: Final answer
    x = 2,889.71

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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.