Home / 7,933.59-11,899.41-2,090.64

Finding the Fourth Proportional to 7,933.59, 11,899.41 and 2,090.64

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Solution

The fourth proportional to 7,933.59, 11,899.41 and 2,090.64 is: 3,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.59 : 11,899.41 = 2,090.64 : x
  2. Step 2: Convert to fraction form
    7,933.59/11,899.41 = 2,090.64/x
  3. Step 3: Cross multiply
    7,933.59x = 11,899.41 × 2,090.64
  4. Step 4: Simplify right side
    7,933.59x = 24,877,382.52
  5. Step 5: Solve for x
    x = 24,877,382.52/7,933.59
  6. Step 6: Final answer
    x = 3,135.70

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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.