Home / 4,135.42-5,705.44-2,644.21

Finding the Fourth Proportional to 4,135.42, 5,705.44 and 2,644.21

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Solution

The fourth proportional to 4,135.42, 5,705.44 and 2,644.21 is: 3,648.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.42 : 5,705.44 = 2,644.21 : x
  2. Step 2: Convert to fraction form
    4,135.42/5,705.44 = 2,644.21/x
  3. Step 3: Cross multiply
    4,135.42x = 5,705.44 × 2,644.21
  4. Step 4: Simplify right side
    4,135.42x = 15,086,381.50
  5. Step 5: Solve for x
    x = 15,086,381.50/4,135.42
  6. Step 6: Final answer
    x = 3,648.09

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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.