Home / 5,259.11-7,892.58-2,486.63

Finding the Fourth Proportional to 5,259.11, 7,892.58 and 2,486.63

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Solution

The fourth proportional to 5,259.11, 7,892.58 and 2,486.63 is: 3,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.11 : 7,892.58 = 2,486.63 : x
  2. Step 2: Convert to fraction form
    5,259.11/7,892.58 = 2,486.63/x
  3. Step 3: Cross multiply
    5,259.11x = 7,892.58 × 2,486.63
  4. Step 4: Simplify right side
    5,259.11x = 19,625,945.94
  5. Step 5: Solve for x
    x = 19,625,945.94/5,259.11
  6. Step 6: Final answer
    x = 3,731.80

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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.