Home / 3,072.13-4,241.22-2,165.04

Finding the Fourth Proportional to 3,072.13, 4,241.22 and 2,165.04

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Solution

The fourth proportional to 3,072.13, 4,241.22 and 2,165.04 is: 2,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.13 : 4,241.22 = 2,165.04 : x
  2. Step 2: Convert to fraction form
    3,072.13/4,241.22 = 2,165.04/x
  3. Step 3: Cross multiply
    3,072.13x = 4,241.22 × 2,165.04
  4. Step 4: Simplify right side
    3,072.13x = 9,182,410.95
  5. Step 5: Solve for x
    x = 9,182,410.95/3,072.13
  6. Step 6: Final answer
    x = 2,988.94

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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.