Home / 3,096.83-4,273.53-1,680.45

Finding the Fourth Proportional to 3,096.83, 4,273.53 and 1,680.45

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Solution

The fourth proportional to 3,096.83, 4,273.53 and 1,680.45 is: 2,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.83 : 4,273.53 = 1,680.45 : x
  2. Step 2: Convert to fraction form
    3,096.83/4,273.53 = 1,680.45/x
  3. Step 3: Cross multiply
    3,096.83x = 4,273.53 × 1,680.45
  4. Step 4: Simplify right side
    3,096.83x = 7,181,453.49
  5. Step 5: Solve for x
    x = 7,181,453.49/3,096.83
  6. Step 6: Final answer
    x = 2,318.97

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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.