Home / 4,916.58-7,366.62-2,139.09

Finding the Fourth Proportional to 4,916.58, 7,366.62 and 2,139.09

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Solution

The fourth proportional to 4,916.58, 7,366.62 and 2,139.09 is: 3,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.58 : 7,366.62 = 2,139.09 : x
  2. Step 2: Convert to fraction form
    4,916.58/7,366.62 = 2,139.09/x
  3. Step 3: Cross multiply
    4,916.58x = 7,366.62 × 2,139.09
  4. Step 4: Simplify right side
    4,916.58x = 15,757,863.18
  5. Step 5: Solve for x
    x = 15,757,863.18/4,916.58
  6. Step 6: Final answer
    x = 3,205.05

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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.