Home / 2,575.19-3,553.76-1,396.26

Finding the Fourth Proportional to 2,575.19, 3,553.76 and 1,396.26

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Solution

The fourth proportional to 2,575.19, 3,553.76 and 1,396.26 is: 1,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.19 : 3,553.76 = 1,396.26 : x
  2. Step 2: Convert to fraction form
    2,575.19/3,553.76 = 1,396.26/x
  3. Step 3: Cross multiply
    2,575.19x = 3,553.76 × 1,396.26
  4. Step 4: Simplify right side
    2,575.19x = 4,961,965.96
  5. Step 5: Solve for x
    x = 4,961,965.96/2,575.19
  6. Step 6: Final answer
    x = 1,926.84

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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.