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Finding the Fourth Proportional to 3,855.51, 5,779.53 and 2,464.92

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Solution

The fourth proportional to 3,855.51, 5,779.53 and 2,464.92 is: 3,694.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.51 : 5,779.53 = 2,464.92 : x
  2. Step 2: Convert to fraction form
    3,855.51/5,779.53 = 2,464.92/x
  3. Step 3: Cross multiply
    3,855.51x = 5,779.53 × 2,464.92
  4. Step 4: Simplify right side
    3,855.51x = 14,246,079.09
  5. Step 5: Solve for x
    x = 14,246,079.09/3,855.51
  6. Step 6: Final answer
    x = 3,694.99

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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.