Home / 4,746.72-7,123.68-1,974.96

Finding the Fourth Proportional to 4,746.72, 7,123.68 and 1,974.96

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Solution

The fourth proportional to 4,746.72, 7,123.68 and 1,974.96 is: 2,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.72 : 7,123.68 = 1,974.96 : x
  2. Step 2: Convert to fraction form
    4,746.72/7,123.68 = 1,974.96/x
  3. Step 3: Cross multiply
    4,746.72x = 7,123.68 × 1,974.96
  4. Step 4: Simplify right side
    4,746.72x = 14,068,983.05
  5. Step 5: Solve for x
    x = 14,068,983.05/4,746.72
  6. Step 6: Final answer
    x = 2,963.94

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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.