Home / 4,190.16-5,774.20-3,787.44

Finding the Fourth Proportional to 4,190.16, 5,774.20 and 3,787.44

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Solution

The fourth proportional to 4,190.16, 5,774.20 and 3,787.44 is: 5,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.16 : 5,774.20 = 3,787.44 : x
  2. Step 2: Convert to fraction form
    4,190.16/5,774.20 = 3,787.44/x
  3. Step 3: Cross multiply
    4,190.16x = 5,774.20 × 3,787.44
  4. Step 4: Simplify right side
    4,190.16x = 21,869,436.05
  5. Step 5: Solve for x
    x = 21,869,436.05/4,190.16
  6. Step 6: Final answer
    x = 5,219.24

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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.