Home / 7,925.72-11,889.92-2,730.38

Finding the Fourth Proportional to 7,925.72, 11,889.92 and 2,730.38

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Solution

The fourth proportional to 7,925.72, 11,889.92 and 2,730.38 is: 4,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.72 : 11,889.92 = 2,730.38 : x
  2. Step 2: Convert to fraction form
    7,925.72/11,889.92 = 2,730.38/x
  3. Step 3: Cross multiply
    7,925.72x = 11,889.92 × 2,730.38
  4. Step 4: Simplify right side
    7,925.72x = 32,463,947.15
  5. Step 5: Solve for x
    x = 32,463,947.15/7,925.72
  6. Step 6: Final answer
    x = 4,096.03

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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.