Home / 7,907.86-11,861.92-2,361.32

Finding the Fourth Proportional to 7,907.86, 11,861.92 and 2,361.32

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Solution

The fourth proportional to 7,907.86, 11,861.92 and 2,361.32 is: 3,542.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.86 : 11,861.92 = 2,361.32 : x
  2. Step 2: Convert to fraction form
    7,907.86/11,861.92 = 2,361.32/x
  3. Step 3: Cross multiply
    7,907.86x = 11,861.92 × 2,361.32
  4. Step 4: Simplify right side
    7,907.86x = 28,009,788.93
  5. Step 5: Solve for x
    x = 28,009,788.93/7,907.86
  6. Step 6: Final answer
    x = 3,542.02

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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.