Home / 3,021.68-4,533.66-1,172.90

Finding the Fourth Proportional to 3,021.68, 4,533.66 and 1,172.90

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Solution

The fourth proportional to 3,021.68, 4,533.66 and 1,172.90 is: 1,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.68 : 4,533.66 = 1,172.90 : x
  2. Step 2: Convert to fraction form
    3,021.68/4,533.66 = 1,172.90/x
  3. Step 3: Cross multiply
    3,021.68x = 4,533.66 × 1,172.90
  4. Step 4: Simplify right side
    3,021.68x = 5,317,541.15
  5. Step 5: Solve for x
    x = 5,317,541.15/3,021.68
  6. Step 6: Final answer
    x = 1,759.79

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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.