Home / 4,886.18-7,329.27-3,431.82

Finding the Fourth Proportional to 4,886.18, 7,329.27 and 3,431.82

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Solution

The fourth proportional to 4,886.18, 7,329.27 and 3,431.82 is: 5,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.18 : 7,329.27 = 3,431.82 : x
  2. Step 2: Convert to fraction form
    4,886.18/7,329.27 = 3,431.82/x
  3. Step 3: Cross multiply
    4,886.18x = 7,329.27 × 3,431.82
  4. Step 4: Simplify right side
    4,886.18x = 25,152,775.73
  5. Step 5: Solve for x
    x = 25,152,775.73/4,886.18
  6. Step 6: Final answer
    x = 5,147.74

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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.