Home / 7,113.97-10,664.42-2,730.55

Finding the Fourth Proportional to 7,113.97, 10,664.42 and 2,730.55

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Solution

The fourth proportional to 7,113.97, 10,664.42 and 2,730.55 is: 4,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.97 : 10,664.42 = 2,730.55 : x
  2. Step 2: Convert to fraction form
    7,113.97/10,664.42 = 2,730.55/x
  3. Step 3: Cross multiply
    7,113.97x = 10,664.42 × 2,730.55
  4. Step 4: Simplify right side
    7,113.97x = 29,119,732.03
  5. Step 5: Solve for x
    x = 29,119,732.03/7,113.97
  6. Step 6: Final answer
    x = 4,093.32

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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.