Home / 3,422.88-4,722.48-2,025.36

Finding the Fourth Proportional to 3,422.88, 4,722.48 and 2,025.36

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Solution

The fourth proportional to 3,422.88, 4,722.48 and 2,025.36 is: 2,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.88 : 4,722.48 = 2,025.36 : x
  2. Step 2: Convert to fraction form
    3,422.88/4,722.48 = 2,025.36/x
  3. Step 3: Cross multiply
    3,422.88x = 4,722.48 × 2,025.36
  4. Step 4: Simplify right side
    3,422.88x = 9,564,722.09
  5. Step 5: Solve for x
    x = 9,564,722.09/3,422.88
  6. Step 6: Final answer
    x = 2,794.35

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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.