Home / 1,856.34-2,773.61-1,791.75

Finding the Fourth Proportional to 1,856.34, 2,773.61 and 1,791.75

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Solution

The fourth proportional to 1,856.34, 2,773.61 and 1,791.75 is: 2,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.34 : 2,773.61 = 1,791.75 : x
  2. Step 2: Convert to fraction form
    1,856.34/2,773.61 = 1,791.75/x
  3. Step 3: Cross multiply
    1,856.34x = 2,773.61 × 1,791.75
  4. Step 4: Simplify right side
    1,856.34x = 4,969,615.72
  5. Step 5: Solve for x
    x = 4,969,615.72/1,856.34
  6. Step 6: Final answer
    x = 2,677.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.