Home / 2,186.64-3,277.83-1,210.70

Finding the Fourth Proportional to 2,186.64, 3,277.83 and 1,210.70

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Solution

The fourth proportional to 2,186.64, 3,277.83 and 1,210.70 is: 1,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.64 : 3,277.83 = 1,210.70 : x
  2. Step 2: Convert to fraction form
    2,186.64/3,277.83 = 1,210.70/x
  3. Step 3: Cross multiply
    2,186.64x = 3,277.83 × 1,210.70
  4. Step 4: Simplify right side
    2,186.64x = 3,968,468.78
  5. Step 5: Solve for x
    x = 3,968,468.78/2,186.64
  6. Step 6: Final answer
    x = 1,814.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.