Home / 3,021.54-4,529.01-1,172.10

Finding the Fourth Proportional to 3,021.54, 4,529.01 and 1,172.10

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Solution

The fourth proportional to 3,021.54, 4,529.01 and 1,172.10 is: 1,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.54 : 4,529.01 = 1,172.10 : x
  2. Step 2: Convert to fraction form
    3,021.54/4,529.01 = 1,172.10/x
  3. Step 3: Cross multiply
    3,021.54x = 4,529.01 × 1,172.10
  4. Step 4: Simplify right side
    3,021.54x = 5,308,452.62
  5. Step 5: Solve for x
    x = 5,308,452.62/3,021.54
  6. Step 6: Final answer
    x = 1,756.87

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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.