Home / 5,502.74-8,243.46-3,423.56

Finding the Fourth Proportional to 5,502.74, 8,243.46 and 3,423.56

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Solution

The fourth proportional to 5,502.74, 8,243.46 and 3,423.56 is: 5,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502.74 : 8,243.46 = 3,423.56 : x
  2. Step 2: Convert to fraction form
    5,502.74/8,243.46 = 3,423.56/x
  3. Step 3: Cross multiply
    5,502.74x = 8,243.46 × 3,423.56
  4. Step 4: Simplify right side
    5,502.74x = 28,221,979.92
  5. Step 5: Solve for x
    x = 28,221,979.92/5,502.74
  6. Step 6: Final answer
    x = 5,128.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.