Home / 2,392.22-3,581.64-1,292.64

Finding the Fourth Proportional to 2,392.22, 3,581.64 and 1,292.64

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Solution

The fourth proportional to 2,392.22, 3,581.64 and 1,292.64 is: 1,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.22 : 3,581.64 = 1,292.64 : x
  2. Step 2: Convert to fraction form
    2,392.22/3,581.64 = 1,292.64/x
  3. Step 3: Cross multiply
    2,392.22x = 3,581.64 × 1,292.64
  4. Step 4: Simplify right side
    2,392.22x = 4,629,771.13
  5. Step 5: Solve for x
    x = 4,629,771.13/2,392.22
  6. Step 6: Final answer
    x = 1,935.35

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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.