Home / 7,572.79-11,361.44-3,414.07

Finding the Fourth Proportional to 7,572.79, 11,361.44 and 3,414.07

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Solution

The fourth proportional to 7,572.79, 11,361.44 and 3,414.07 is: 5,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.79 : 11,361.44 = 3,414.07 : x
  2. Step 2: Convert to fraction form
    7,572.79/11,361.44 = 3,414.07/x
  3. Step 3: Cross multiply
    7,572.79x = 11,361.44 × 3,414.07
  4. Step 4: Simplify right side
    7,572.79x = 38,788,751.46
  5. Step 5: Solve for x
    x = 38,788,751.46/7,572.79
  6. Step 6: Final answer
    x = 5,122.12

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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.