Home / 5,226.47-7,842.39-3,472.68

Finding the Fourth Proportional to 5,226.47, 7,842.39 and 3,472.68

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Solution

The fourth proportional to 5,226.47, 7,842.39 and 3,472.68 is: 5,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.47 : 7,842.39 = 3,472.68 : x
  2. Step 2: Convert to fraction form
    5,226.47/7,842.39 = 3,472.68/x
  3. Step 3: Cross multiply
    5,226.47x = 7,842.39 × 3,472.68
  4. Step 4: Simplify right side
    5,226.47x = 27,234,134.54
  5. Step 5: Solve for x
    x = 27,234,134.54/5,226.47
  6. Step 6: Final answer
    x = 5,210.80

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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.