Home / 3,021.12-4,530.72-2,053.44

Finding the Fourth Proportional to 3,021.12, 4,530.72 and 2,053.44

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Solution

The fourth proportional to 3,021.12, 4,530.72 and 2,053.44 is: 3,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.12 : 4,530.72 = 2,053.44 : x
  2. Step 2: Convert to fraction form
    3,021.12/4,530.72 = 2,053.44/x
  3. Step 3: Cross multiply
    3,021.12x = 4,530.72 × 2,053.44
  4. Step 4: Simplify right side
    3,021.12x = 9,303,561.68
  5. Step 5: Solve for x
    x = 9,303,561.68/3,021.12
  6. Step 6: Final answer
    x = 3,079.51

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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.