Home / 2,515.22-3,474.51-2,392.20

Finding the Fourth Proportional to 2,515.22, 3,474.51 and 2,392.20

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Solution

The fourth proportional to 2,515.22, 3,474.51 and 2,392.20 is: 3,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.22 : 3,474.51 = 2,392.20 : x
  2. Step 2: Convert to fraction form
    2,515.22/3,474.51 = 2,392.20/x
  3. Step 3: Cross multiply
    2,515.22x = 3,474.51 × 2,392.20
  4. Step 4: Simplify right side
    2,515.22x = 8,311,726.88
  5. Step 5: Solve for x
    x = 8,311,726.88/2,515.22
  6. Step 6: Final answer
    x = 3,304.57

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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.