Home / 5,236.53-7,226.28-2,878.62

Finding the Fourth Proportional to 5,236.53, 7,226.28 and 2,878.62

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Solution

The fourth proportional to 5,236.53, 7,226.28 and 2,878.62 is: 3,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.53 : 7,226.28 = 2,878.62 : x
  2. Step 2: Convert to fraction form
    5,236.53/7,226.28 = 2,878.62/x
  3. Step 3: Cross multiply
    5,236.53x = 7,226.28 × 2,878.62
  4. Step 4: Simplify right side
    5,236.53x = 20,801,714.13
  5. Step 5: Solve for x
    x = 20,801,714.13/5,236.53
  6. Step 6: Final answer
    x = 3,972.42

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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.