Home / 5,268.57-7,270.74-2,910.87

Finding the Fourth Proportional to 5,268.57, 7,270.74 and 2,910.87

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Solution

The fourth proportional to 5,268.57, 7,270.74 and 2,910.87 is: 4,017.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.57 : 7,270.74 = 2,910.87 : x
  2. Step 2: Convert to fraction form
    5,268.57/7,270.74 = 2,910.87/x
  3. Step 3: Cross multiply
    5,268.57x = 7,270.74 × 2,910.87
  4. Step 4: Simplify right side
    5,268.57x = 21,164,178.94
  5. Step 5: Solve for x
    x = 21,164,178.94/5,268.57
  6. Step 6: Final answer
    x = 4,017.06

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Why These Related Problems?

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