Home / 7,212.65-10,812.59-2,529.73

Finding the Fourth Proportional to 7,212.65, 10,812.59 and 2,529.73

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Solution

The fourth proportional to 7,212.65, 10,812.59 and 2,529.73 is: 3,792.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.65 : 10,812.59 = 2,529.73 : x
  2. Step 2: Convert to fraction form
    7,212.65/10,812.59 = 2,529.73/x
  3. Step 3: Cross multiply
    7,212.65x = 10,812.59 × 2,529.73
  4. Step 4: Simplify right side
    7,212.65x = 27,352,943.65
  5. Step 5: Solve for x
    x = 27,352,943.65/7,212.65
  6. Step 6: Final answer
    x = 3,792.36

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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.