Home / 3,780.37-5,217.60-2,186.83

Finding the Fourth Proportional to 3,780.37, 5,217.60 and 2,186.83

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Solution

The fourth proportional to 3,780.37, 5,217.60 and 2,186.83 is: 3,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.37 : 5,217.60 = 2,186.83 : x
  2. Step 2: Convert to fraction form
    3,780.37/5,217.60 = 2,186.83/x
  3. Step 3: Cross multiply
    3,780.37x = 5,217.60 × 2,186.83
  4. Step 4: Simplify right side
    3,780.37x = 11,410,006.63
  5. Step 5: Solve for x
    x = 11,410,006.63/3,780.37
  6. Step 6: Final answer
    x = 3,018.22

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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.