Home / 3,020.02-4,161.24-2,812.24

Finding the Fourth Proportional to 3,020.02, 4,161.24 and 2,812.24

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Solution

The fourth proportional to 3,020.02, 4,161.24 and 2,812.24 is: 3,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.02 : 4,161.24 = 2,812.24 : x
  2. Step 2: Convert to fraction form
    3,020.02/4,161.24 = 2,812.24/x
  3. Step 3: Cross multiply
    3,020.02x = 4,161.24 × 2,812.24
  4. Step 4: Simplify right side
    3,020.02x = 11,702,405.58
  5. Step 5: Solve for x
    x = 11,702,405.58/3,020.02
  6. Step 6: Final answer
    x = 3,874.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.