Home / 4,472.32-6,709.92-1,874.56

Finding the Fourth Proportional to 4,472.32, 6,709.92 and 1,874.56

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Solution

The fourth proportional to 4,472.32, 6,709.92 and 1,874.56 is: 2,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.32 : 6,709.92 = 1,874.56 : x
  2. Step 2: Convert to fraction form
    4,472.32/6,709.92 = 1,874.56/x
  3. Step 3: Cross multiply
    4,472.32x = 6,709.92 × 1,874.56
  4. Step 4: Simplify right side
    4,472.32x = 12,578,147.64
  5. Step 5: Solve for x
    x = 12,578,147.64/4,472.32
  6. Step 6: Final answer
    x = 2,812.44

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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.