Home / 3,904.45-5,388.22-2,332.55

Finding the Fourth Proportional to 3,904.45, 5,388.22 and 2,332.55

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Solution

The fourth proportional to 3,904.45, 5,388.22 and 2,332.55 is: 3,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.45 : 5,388.22 = 2,332.55 : x
  2. Step 2: Convert to fraction form
    3,904.45/5,388.22 = 2,332.55/x
  3. Step 3: Cross multiply
    3,904.45x = 5,388.22 × 2,332.55
  4. Step 4: Simplify right side
    3,904.45x = 12,568,278.64
  5. Step 5: Solve for x
    x = 12,568,278.64/3,904.45
  6. Step 6: Final answer
    x = 3,218.96

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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.