Home / 5,272.75-7,272.62-3,256.12

Finding the Fourth Proportional to 5,272.75, 7,272.62 and 3,256.12

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Solution

The fourth proportional to 5,272.75, 7,272.62 and 3,256.12 is: 4,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.75 : 7,272.62 = 3,256.12 : x
  2. Step 2: Convert to fraction form
    5,272.75/7,272.62 = 3,256.12/x
  3. Step 3: Cross multiply
    5,272.75x = 7,272.62 × 3,256.12
  4. Step 4: Simplify right side
    5,272.75x = 23,680,507.15
  5. Step 5: Solve for x
    x = 23,680,507.15/5,272.75
  6. Step 6: Final answer
    x = 4,491.11

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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.