Home / 3,097.08-4,270.14-2,212.56

Finding the Fourth Proportional to 3,097.08, 4,270.14 and 2,212.56

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Solution

The fourth proportional to 3,097.08, 4,270.14 and 2,212.56 is: 3,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.08 : 4,270.14 = 2,212.56 : x
  2. Step 2: Convert to fraction form
    3,097.08/4,270.14 = 2,212.56/x
  3. Step 3: Cross multiply
    3,097.08x = 4,270.14 × 2,212.56
  4. Step 4: Simplify right side
    3,097.08x = 9,447,940.96
  5. Step 5: Solve for x
    x = 9,447,940.96/3,097.08
  6. Step 6: Final answer
    x = 3,050.60

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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.