Home / 2,186.65-3,277.05-1,197.10

Finding the Fourth Proportional to 2,186.65, 3,277.05 and 1,197.10

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Solution

The fourth proportional to 2,186.65, 3,277.05 and 1,197.10 is: 1,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.65 : 3,277.05 = 1,197.10 : x
  2. Step 2: Convert to fraction form
    2,186.65/3,277.05 = 1,197.10/x
  3. Step 3: Cross multiply
    2,186.65x = 3,277.05 × 1,197.10
  4. Step 4: Simplify right side
    2,186.65x = 3,922,956.56
  5. Step 5: Solve for x
    x = 3,922,956.56/2,186.65
  6. Step 6: Final answer
    x = 1,794.05

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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.