Home / 3,216.86-4,825.64-1,025.08

Finding the Fourth Proportional to 3,216.86, 4,825.64 and 1,025.08

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Solution

The fourth proportional to 3,216.86, 4,825.64 and 1,025.08 is: 1,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.86 : 4,825.64 = 1,025.08 : x
  2. Step 2: Convert to fraction form
    3,216.86/4,825.64 = 1,025.08/x
  3. Step 3: Cross multiply
    3,216.86x = 4,825.64 × 1,025.08
  4. Step 4: Simplify right side
    3,216.86x = 4,946,667.05
  5. Step 5: Solve for x
    x = 4,946,667.05/3,216.86
  6. Step 6: Final answer
    x = 1,537.73

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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.