Home / 4,172.62-5,751.58-3,287.02

Finding the Fourth Proportional to 4,172.62, 5,751.58 and 3,287.02

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Solution

The fourth proportional to 4,172.62, 5,751.58 and 3,287.02 is: 4,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.62 : 5,751.58 = 3,287.02 : x
  2. Step 2: Convert to fraction form
    4,172.62/5,751.58 = 3,287.02/x
  3. Step 3: Cross multiply
    4,172.62x = 5,751.58 × 3,287.02
  4. Step 4: Simplify right side
    4,172.62x = 18,905,558.49
  5. Step 5: Solve for x
    x = 18,905,558.49/4,172.62
  6. Step 6: Final answer
    x = 4,530.86

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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.