Home / 2,186.05-3,277.25-868.99

Finding the Fourth Proportional to 2,186.05, 3,277.25 and 868.99

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Solution

The fourth proportional to 2,186.05, 3,277.25 and 868.99 is: 1,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.05 : 3,277.25 = 868.99 : x
  2. Step 2: Convert to fraction form
    2,186.05/3,277.25 = 868.99/x
  3. Step 3: Cross multiply
    2,186.05x = 3,277.25 × 868.99
  4. Step 4: Simplify right side
    2,186.05x = 2,847,881.09
  5. Step 5: Solve for x
    x = 2,847,881.09/2,186.05
  6. Step 6: Final answer
    x = 1,302.76

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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.