Home / 2,353.31-3,526.92-1,121.09

Finding the Fourth Proportional to 2,353.31, 3,526.92 and 1,121.09

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Solution

The fourth proportional to 2,353.31, 3,526.92 and 1,121.09 is: 1,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.31 : 3,526.92 = 1,121.09 : x
  2. Step 2: Convert to fraction form
    2,353.31/3,526.92 = 1,121.09/x
  3. Step 3: Cross multiply
    2,353.31x = 3,526.92 × 1,121.09
  4. Step 4: Simplify right side
    2,353.31x = 3,954,003.56
  5. Step 5: Solve for x
    x = 3,954,003.56/2,353.31
  6. Step 6: Final answer
    x = 1,680.19

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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.