Home / 3,021.02-4,532.70-1,172.30

Finding the Fourth Proportional to 3,021.02, 4,532.70 and 1,172.30

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Solution

The fourth proportional to 3,021.02, 4,532.70 and 1,172.30 is: 1,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.02 : 4,532.70 = 1,172.30 : x
  2. Step 2: Convert to fraction form
    3,021.02/4,532.70 = 1,172.30/x
  3. Step 3: Cross multiply
    3,021.02x = 4,532.70 × 1,172.30
  4. Step 4: Simplify right side
    3,021.02x = 5,313,684.21
  5. Step 5: Solve for x
    x = 5,313,684.21/3,021.02
  6. Step 6: Final answer
    x = 1,758.90

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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.