Home / 2,770.47-4,151.61-2,186.94

Finding the Fourth Proportional to 2,770.47, 4,151.61 and 2,186.94

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Solution

The fourth proportional to 2,770.47, 4,151.61 and 2,186.94 is: 3,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.47 : 4,151.61 = 2,186.94 : x
  2. Step 2: Convert to fraction form
    2,770.47/4,151.61 = 2,186.94/x
  3. Step 3: Cross multiply
    2,770.47x = 4,151.61 × 2,186.94
  4. Step 4: Simplify right side
    2,770.47x = 9,079,321.97
  5. Step 5: Solve for x
    x = 9,079,321.97/2,770.47
  6. Step 6: Final answer
    x = 3,277.18

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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.