Home / 3,736.12-5,156.46-2,744.20

Finding the Fourth Proportional to 3,736.12, 5,156.46 and 2,744.20

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Solution

The fourth proportional to 3,736.12, 5,156.46 and 2,744.20 is: 3,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.12 : 5,156.46 = 2,744.20 : x
  2. Step 2: Convert to fraction form
    3,736.12/5,156.46 = 2,744.20/x
  3. Step 3: Cross multiply
    3,736.12x = 5,156.46 × 2,744.20
  4. Step 4: Simplify right side
    3,736.12x = 14,150,357.53
  5. Step 5: Solve for x
    x = 14,150,357.53/3,736.12
  6. Step 6: Final answer
    x = 3,787.45

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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.