Home / 2,372.79-3,274.44-1,324.85

Finding the Fourth Proportional to 2,372.79, 3,274.44 and 1,324.85

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Solution

The fourth proportional to 2,372.79, 3,274.44 and 1,324.85 is: 1,828.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.79 : 3,274.44 = 1,324.85 : x
  2. Step 2: Convert to fraction form
    2,372.79/3,274.44 = 1,324.85/x
  3. Step 3: Cross multiply
    2,372.79x = 3,274.44 × 1,324.85
  4. Step 4: Simplify right side
    2,372.79x = 4,338,141.83
  5. Step 5: Solve for x
    x = 4,338,141.83/2,372.79
  6. Step 6: Final answer
    x = 1,828.29

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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.