Home / 7,149.63-10,724.75-2,222.61

Finding the Fourth Proportional to 7,149.63, 10,724.75 and 2,222.61

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Solution

The fourth proportional to 7,149.63, 10,724.75 and 2,222.61 is: 3,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.63 : 10,724.75 = 2,222.61 : x
  2. Step 2: Convert to fraction form
    7,149.63/10,724.75 = 2,222.61/x
  3. Step 3: Cross multiply
    7,149.63x = 10,724.75 × 2,222.61
  4. Step 4: Simplify right side
    7,149.63x = 23,836,925.48
  5. Step 5: Solve for x
    x = 23,836,925.48/7,149.63
  6. Step 6: Final answer
    x = 3,334.01

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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.