Home / 2,186.96-3,277.20-1,799.71

Finding the Fourth Proportional to 2,186.96, 3,277.20 and 1,799.71

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Solution

The fourth proportional to 2,186.96, 3,277.20 and 1,799.71 is: 2,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.96 : 3,277.20 = 1,799.71 : x
  2. Step 2: Convert to fraction form
    2,186.96/3,277.20 = 1,799.71/x
  3. Step 3: Cross multiply
    2,186.96x = 3,277.20 × 1,799.71
  4. Step 4: Simplify right side
    2,186.96x = 5,898,017.81
  5. Step 5: Solve for x
    x = 5,898,017.81/2,186.96
  6. Step 6: Final answer
    x = 2,696.90

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1.5x scale

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.