Home / 2,784.11-4,176.16-1,141.43

Finding the Fourth Proportional to 2,784.11, 4,176.16 and 1,141.43

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Solution

The fourth proportional to 2,784.11, 4,176.16 and 1,141.43 is: 1,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.11 : 4,176.16 = 1,141.43 : x
  2. Step 2: Convert to fraction form
    2,784.11/4,176.16 = 1,141.43/x
  3. Step 3: Cross multiply
    2,784.11x = 4,176.16 × 1,141.43
  4. Step 4: Simplify right side
    2,784.11x = 4,766,770.57
  5. Step 5: Solve for x
    x = 4,766,770.57/2,784.11
  6. Step 6: Final answer
    x = 1,712.14

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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.