Home / 3,486.38-4,812.18-2,353.37

Finding the Fourth Proportional to 3,486.38, 4,812.18 and 2,353.37

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Solution

The fourth proportional to 3,486.38, 4,812.18 and 2,353.37 is: 3,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.38 : 4,812.18 = 2,353.37 : x
  2. Step 2: Convert to fraction form
    3,486.38/4,812.18 = 2,353.37/x
  3. Step 3: Cross multiply
    3,486.38x = 4,812.18 × 2,353.37
  4. Step 4: Simplify right side
    3,486.38x = 11,324,840.05
  5. Step 5: Solve for x
    x = 11,324,840.05/3,486.38
  6. Step 6: Final answer
    x = 3,248.31

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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.