Home / 3,021.32-4,532.49-1,172.41

Finding the Fourth Proportional to 3,021.32, 4,532.49 and 1,172.41

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Solution

The fourth proportional to 3,021.32, 4,532.49 and 1,172.41 is: 1,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.32 : 4,532.49 = 1,172.41 : x
  2. Step 2: Convert to fraction form
    3,021.32/4,532.49 = 1,172.41/x
  3. Step 3: Cross multiply
    3,021.32x = 4,532.49 × 1,172.41
  4. Step 4: Simplify right side
    3,021.32x = 5,313,925.27
  5. Step 5: Solve for x
    x = 5,313,925.27/3,021.32
  6. Step 6: Final answer
    x = 1,758.81

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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.