Home / 4,916.70-7,372.32-1,628.91

Finding the Fourth Proportional to 4,916.70, 7,372.32 and 1,628.91

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Solution

The fourth proportional to 4,916.70, 7,372.32 and 1,628.91 is: 2,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.70 : 7,372.32 = 1,628.91 : x
  2. Step 2: Convert to fraction form
    4,916.70/7,372.32 = 1,628.91/x
  3. Step 3: Cross multiply
    4,916.70x = 7,372.32 × 1,628.91
  4. Step 4: Simplify right side
    4,916.70x = 12,008,845.77
  5. Step 5: Solve for x
    x = 12,008,845.77/4,916.70
  6. Step 6: Final answer
    x = 2,442.46

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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.