Home / 3,020.22-4,530.60-1,172.07

Finding the Fourth Proportional to 3,020.22, 4,530.60 and 1,172.07

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Solution

The fourth proportional to 3,020.22, 4,530.60 and 1,172.07 is: 1,758.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.22 : 4,530.60 = 1,172.07 : x
  2. Step 2: Convert to fraction form
    3,020.22/4,530.60 = 1,172.07/x
  3. Step 3: Cross multiply
    3,020.22x = 4,530.60 × 1,172.07
  4. Step 4: Simplify right side
    3,020.22x = 5,310,180.34
  5. Step 5: Solve for x
    x = 5,310,180.34/3,020.22
  6. Step 6: Final answer
    x = 1,758.21

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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.