Home / 5,515.47-8,267.40-2,591.37

Finding the Fourth Proportional to 5,515.47, 8,267.40 and 2,591.37

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Solution

The fourth proportional to 5,515.47, 8,267.40 and 2,591.37 is: 3,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.47 : 8,267.40 = 2,591.37 : x
  2. Step 2: Convert to fraction form
    5,515.47/8,267.40 = 2,591.37/x
  3. Step 3: Cross multiply
    5,515.47x = 8,267.40 × 2,591.37
  4. Step 4: Simplify right side
    5,515.47x = 21,423,892.34
  5. Step 5: Solve for x
    x = 21,423,892.34/5,515.47
  6. Step 6: Final answer
    x = 3,884.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.