Home / 3,225.60-4,448.64-2,292.48

Finding the Fourth Proportional to 3,225.60, 4,448.64 and 2,292.48

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Solution

The fourth proportional to 3,225.60, 4,448.64 and 2,292.48 is: 3,161.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.60 : 4,448.64 = 2,292.48 : x
  2. Step 2: Convert to fraction form
    3,225.60/4,448.64 = 2,292.48/x
  3. Step 3: Cross multiply
    3,225.60x = 4,448.64 × 2,292.48
  4. Step 4: Simplify right side
    3,225.60x = 10,198,418.23
  5. Step 5: Solve for x
    x = 10,198,418.23/3,225.60
  6. Step 6: Final answer
    x = 3,161.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.