Home / 2,850.83-3,935.93-2,186.41

Finding the Fourth Proportional to 2,850.83, 3,935.93 and 2,186.41

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Solution

The fourth proportional to 2,850.83, 3,935.93 and 2,186.41 is: 3,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.83 : 3,935.93 = 2,186.41 : x
  2. Step 2: Convert to fraction form
    2,850.83/3,935.93 = 2,186.41/x
  3. Step 3: Cross multiply
    2,850.83x = 3,935.93 × 2,186.41
  4. Step 4: Simplify right side
    2,850.83x = 8,605,556.71
  5. Step 5: Solve for x
    x = 8,605,556.71/2,850.83
  6. Step 6: Final answer
    x = 3,018.61

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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.