Home / 2,445.22-3,396.91-2,422.36

Finding the Fourth Proportional to 2,445.22, 3,396.91 and 2,422.36

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Solution

The fourth proportional to 2,445.22, 3,396.91 and 2,422.36 is: 3,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.22 : 3,396.91 = 2,422.36 : x
  2. Step 2: Convert to fraction form
    2,445.22/3,396.91 = 2,422.36/x
  3. Step 3: Cross multiply
    2,445.22x = 3,396.91 × 2,422.36
  4. Step 4: Simplify right side
    2,445.22x = 8,228,538.91
  5. Step 5: Solve for x
    x = 8,228,538.91/2,445.22
  6. Step 6: Final answer
    x = 3,365.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.