Home / 3,242.25-4,864.19-933.75

Finding the Fourth Proportional to 3,242.25, 4,864.19 and 933.75

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Solution

The fourth proportional to 3,242.25, 4,864.19 and 933.75 is: 1,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.25 : 4,864.19 = 933.75 : x
  2. Step 2: Convert to fraction form
    3,242.25/4,864.19 = 933.75/x
  3. Step 3: Cross multiply
    3,242.25x = 4,864.19 × 933.75
  4. Step 4: Simplify right side
    3,242.25x = 4,541,932.74
  5. Step 5: Solve for x
    x = 4,541,932.74/3,242.25
  6. Step 6: Final answer
    x = 1,400.86

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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.