Home / 7,933.20-11,898.90-2,090.27

Finding the Fourth Proportional to 7,933.20, 11,898.90 and 2,090.27

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Solution

The fourth proportional to 7,933.20, 11,898.90 and 2,090.27 is: 3,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.20 : 11,898.90 = 2,090.27 : x
  2. Step 2: Convert to fraction form
    7,933.20/11,898.90 = 2,090.27/x
  3. Step 3: Cross multiply
    7,933.20x = 11,898.90 × 2,090.27
  4. Step 4: Simplify right side
    7,933.20x = 24,871,854.21
  5. Step 5: Solve for x
    x = 24,871,854.21/7,933.20
  6. Step 6: Final answer
    x = 3,135.16

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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.