Home / 3,021.12-4,532.22-1,172.07

Finding the Fourth Proportional to 3,021.12, 4,532.22 and 1,172.07

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Solution

The fourth proportional to 3,021.12, 4,532.22 and 1,172.07 is: 1,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.12 : 4,532.22 = 1,172.07 : x
  2. Step 2: Convert to fraction form
    3,021.12/4,532.22 = 1,172.07/x
  3. Step 3: Cross multiply
    3,021.12x = 4,532.22 × 1,172.07
  4. Step 4: Simplify right side
    3,021.12x = 5,312,079.10
  5. Step 5: Solve for x
    x = 5,312,079.10/3,021.12
  6. Step 6: Final answer
    x = 1,758.31

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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.