Home / 4,115.70-5,677.74-3,644.10

Finding the Fourth Proportional to 4,115.70, 5,677.74 and 3,644.10

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Solution

The fourth proportional to 4,115.70, 5,677.74 and 3,644.10 is: 5,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.70 : 5,677.74 = 3,644.10 : x
  2. Step 2: Convert to fraction form
    4,115.70/5,677.74 = 3,644.10/x
  3. Step 3: Cross multiply
    4,115.70x = 5,677.74 × 3,644.10
  4. Step 4: Simplify right side
    4,115.70x = 20,690,252.33
  5. Step 5: Solve for x
    x = 20,690,252.33/4,115.70
  6. Step 6: Final answer
    x = 5,027.15

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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.