Home / 3,072.20-4,629.02-2,536.38

Finding the Fourth Proportional to 3,072.20, 4,629.02 and 2,536.38

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Solution

The fourth proportional to 3,072.20, 4,629.02 and 2,536.38 is: 3,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.20 : 4,629.02 = 2,536.38 : x
  2. Step 2: Convert to fraction form
    3,072.20/4,629.02 = 2,536.38/x
  3. Step 3: Cross multiply
    3,072.20x = 4,629.02 × 2,536.38
  4. Step 4: Simplify right side
    3,072.20x = 11,740,941.07
  5. Step 5: Solve for x
    x = 11,740,941.07/3,072.20
  6. Step 6: Final answer
    x = 3,821.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.