Home / 7,251.32-10,876.64-2,571.26

Finding the Fourth Proportional to 7,251.32, 10,876.64 and 2,571.26

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Solution

The fourth proportional to 7,251.32, 10,876.64 and 2,571.26 is: 3,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.32 : 10,876.64 = 2,571.26 : x
  2. Step 2: Convert to fraction form
    7,251.32/10,876.64 = 2,571.26/x
  3. Step 3: Cross multiply
    7,251.32x = 10,876.64 × 2,571.26
  4. Step 4: Simplify right side
    7,251.32x = 27,966,669.37
  5. Step 5: Solve for x
    x = 27,966,669.37/7,251.32
  6. Step 6: Final answer
    x = 3,856.77

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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.