Home / 5,269.87-7,272.78-2,911.96

Finding the Fourth Proportional to 5,269.87, 7,272.78 and 2,911.96

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Solution

The fourth proportional to 5,269.87, 7,272.78 and 2,911.96 is: 4,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.87 : 7,272.78 = 2,911.96 : x
  2. Step 2: Convert to fraction form
    5,269.87/7,272.78 = 2,911.96/x
  3. Step 3: Cross multiply
    5,269.87x = 7,272.78 × 2,911.96
  4. Step 4: Simplify right side
    5,269.87x = 21,178,008.08
  5. Step 5: Solve for x
    x = 21,178,008.08/5,269.87
  6. Step 6: Final answer
    x = 4,018.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.