Home / 1,853.79-2,777.94-1,717.11

Finding the Fourth Proportional to 1,853.79, 2,777.94 and 1,717.11

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Solution

The fourth proportional to 1,853.79, 2,777.94 and 1,717.11 is: 2,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.79 : 2,777.94 = 1,717.11 : x
  2. Step 2: Convert to fraction form
    1,853.79/2,777.94 = 1,717.11/x
  3. Step 3: Cross multiply
    1,853.79x = 2,777.94 × 1,717.11
  4. Step 4: Simplify right side
    1,853.79x = 4,770,028.55
  5. Step 5: Solve for x
    x = 4,770,028.55/1,853.79
  6. Step 6: Final answer
    x = 2,573.12

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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.