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Finding the Fourth Proportional to 3,779.94, 5,669.85 and 2,740.44

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Solution

The fourth proportional to 3,779.94, 5,669.85 and 2,740.44 is: 4,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.94 : 5,669.85 = 2,740.44 : x
  2. Step 2: Convert to fraction form
    3,779.94/5,669.85 = 2,740.44/x
  3. Step 3: Cross multiply
    3,779.94x = 5,669.85 × 2,740.44
  4. Step 4: Simplify right side
    3,779.94x = 15,537,883.73
  5. Step 5: Solve for x
    x = 15,537,883.73/3,779.94
  6. Step 6: Final answer
    x = 4,110.62

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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.