Home / 2,575.23-3,553.82-1,396.30

Finding the Fourth Proportional to 2,575.23, 3,553.82 and 1,396.30

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Solution

The fourth proportional to 2,575.23, 3,553.82 and 1,396.30 is: 1,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.23 : 3,553.82 = 1,396.30 : x
  2. Step 2: Convert to fraction form
    2,575.23/3,553.82 = 1,396.30/x
  3. Step 3: Cross multiply
    2,575.23x = 3,553.82 × 1,396.30
  4. Step 4: Simplify right side
    2,575.23x = 4,962,207.75
  5. Step 5: Solve for x
    x = 4,962,207.75/2,575.23
  6. Step 6: Final answer
    x = 1,926.90

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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.