Home / 7,933.43-11,900.73-2,090

Finding the Fourth Proportional to 7,933.43, 11,900.73 and 2,090

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Solution

The fourth proportional to 7,933.43, 11,900.73 and 2,090 is: 3,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.43 : 11,900.73 = 2,090 : x
  2. Step 2: Convert to fraction form
    7,933.43/11,900.73 = 2,090/x
  3. Step 3: Cross multiply
    7,933.43x = 11,900.73 × 2,090
  4. Step 4: Simplify right side
    7,933.43x = 24,872,525.70
  5. Step 5: Solve for x
    x = 24,872,525.70/7,933.43
  6. Step 6: Final answer
    x = 3,135.15

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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.