Home / 4,916.09-7,371.39-1,628.30

Finding the Fourth Proportional to 4,916.09, 7,371.39 and 1,628.30

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Solution

The fourth proportional to 4,916.09, 7,371.39 and 1,628.30 is: 2,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.09 : 7,371.39 = 1,628.30 : x
  2. Step 2: Convert to fraction form
    4,916.09/7,371.39 = 1,628.30/x
  3. Step 3: Cross multiply
    4,916.09x = 7,371.39 × 1,628.30
  4. Step 4: Simplify right side
    4,916.09x = 12,002,797.48
  5. Step 5: Solve for x
    x = 12,002,797.48/4,916.09
  6. Step 6: Final answer
    x = 2,441.54

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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.