Home / 7,905.32-11,857.75-2,061.93

Finding the Fourth Proportional to 7,905.32, 11,857.75 and 2,061.93

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Solution

The fourth proportional to 7,905.32, 11,857.75 and 2,061.93 is: 3,092.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.32 : 11,857.75 = 2,061.93 : x
  2. Step 2: Convert to fraction form
    7,905.32/11,857.75 = 2,061.93/x
  3. Step 3: Cross multiply
    7,905.32x = 11,857.75 × 2,061.93
  4. Step 4: Simplify right side
    7,905.32x = 24,449,870.92
  5. Step 5: Solve for x
    x = 24,449,870.92/7,905.32
  6. Step 6: Final answer
    x = 3,092.84

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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.