Home / 3,515.37-4,845.51-2,884.83

Finding the Fourth Proportional to 3,515.37, 4,845.51 and 2,884.83

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Solution

The fourth proportional to 3,515.37, 4,845.51 and 2,884.83 is: 3,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.37 : 4,845.51 = 2,884.83 : x
  2. Step 2: Convert to fraction form
    3,515.37/4,845.51 = 2,884.83/x
  3. Step 3: Cross multiply
    3,515.37x = 4,845.51 × 2,884.83
  4. Step 4: Simplify right side
    3,515.37x = 13,978,472.61
  5. Step 5: Solve for x
    x = 13,978,472.61/3,515.37
  6. Step 6: Final answer
    x = 3,976.39

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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.