Home / 3,268.24-4,893.20-1,782.08

Finding the Fourth Proportional to 3,268.24, 4,893.20 and 1,782.08

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Solution

The fourth proportional to 3,268.24, 4,893.20 and 1,782.08 is: 2,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.24 : 4,893.20 = 1,782.08 : x
  2. Step 2: Convert to fraction form
    3,268.24/4,893.20 = 1,782.08/x
  3. Step 3: Cross multiply
    3,268.24x = 4,893.20 × 1,782.08
  4. Step 4: Simplify right side
    3,268.24x = 8,720,073.86
  5. Step 5: Solve for x
    x = 8,720,073.86/3,268.24
  6. Step 6: Final answer
    x = 2,668.13

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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.