Home / 4,916.85-7,372.77-1,628.76

Finding the Fourth Proportional to 4,916.85, 7,372.77 and 1,628.76

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Solution

The fourth proportional to 4,916.85, 7,372.77 and 1,628.76 is: 2,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.85 : 7,372.77 = 1,628.76 : x
  2. Step 2: Convert to fraction form
    4,916.85/7,372.77 = 1,628.76/x
  3. Step 3: Cross multiply
    4,916.85x = 7,372.77 × 1,628.76
  4. Step 4: Simplify right side
    4,916.85x = 12,008,472.87
  5. Step 5: Solve for x
    x = 12,008,472.87/4,916.85
  6. Step 6: Final answer
    x = 2,442.31

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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.