Home / 4,743.46-7,112.13-1,972.03

Finding the Fourth Proportional to 4,743.46, 7,112.13 and 1,972.03

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Solution

The fourth proportional to 4,743.46, 7,112.13 and 1,972.03 is: 2,956.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.46 : 7,112.13 = 1,972.03 : x
  2. Step 2: Convert to fraction form
    4,743.46/7,112.13 = 1,972.03/x
  3. Step 3: Cross multiply
    4,743.46x = 7,112.13 × 1,972.03
  4. Step 4: Simplify right side
    4,743.46x = 14,025,333.72
  5. Step 5: Solve for x
    x = 14,025,333.72/4,743.46
  6. Step 6: Final answer
    x = 2,956.77

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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.