Home / 4,281.15-5,905.80-2,791.56

Finding the Fourth Proportional to 4,281.15, 5,905.80 and 2,791.56

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Solution

The fourth proportional to 4,281.15, 5,905.80 and 2,791.56 is: 3,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.15 : 5,905.80 = 2,791.56 : x
  2. Step 2: Convert to fraction form
    4,281.15/5,905.80 = 2,791.56/x
  3. Step 3: Cross multiply
    4,281.15x = 5,905.80 × 2,791.56
  4. Step 4: Simplify right side
    4,281.15x = 16,486,395.05
  5. Step 5: Solve for x
    x = 16,486,395.05/4,281.15
  6. Step 6: Final answer
    x = 3,850.93

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1.5x scale

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.