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Finding the Fourth Proportional to 2,773.66, 3,826.34 and 1,877.73

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Solution

The fourth proportional to 2,773.66, 3,826.34 and 1,877.73 is: 2,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.66 : 3,826.34 = 1,877.73 : x
  2. Step 2: Convert to fraction form
    2,773.66/3,826.34 = 1,877.73/x
  3. Step 3: Cross multiply
    2,773.66x = 3,826.34 × 1,877.73
  4. Step 4: Simplify right side
    2,773.66x = 7,184,833.41
  5. Step 5: Solve for x
    x = 7,184,833.41/2,773.66
  6. Step 6: Final answer
    x = 2,590.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.