Home / 7,013.97-10,520.54-2,631.06

Finding the Fourth Proportional to 7,013.97, 10,520.54 and 2,631.06

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Solution

The fourth proportional to 7,013.97, 10,520.54 and 2,631.06 is: 3,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.97 : 10,520.54 = 2,631.06 : x
  2. Step 2: Convert to fraction form
    7,013.97/10,520.54 = 2,631.06/x
  3. Step 3: Cross multiply
    7,013.97x = 10,520.54 × 2,631.06
  4. Step 4: Simplify right side
    7,013.97x = 27,680,106.21
  5. Step 5: Solve for x
    x = 27,680,106.21/7,013.97
  6. Step 6: Final answer
    x = 3,946.43

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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.