Home / 3,885.09-5,359.42-2,541.49

Finding the Fourth Proportional to 3,885.09, 5,359.42 and 2,541.49

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Solution

The fourth proportional to 3,885.09, 5,359.42 and 2,541.49 is: 3,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.09 : 5,359.42 = 2,541.49 : x
  2. Step 2: Convert to fraction form
    3,885.09/5,359.42 = 2,541.49/x
  3. Step 3: Cross multiply
    3,885.09x = 5,359.42 × 2,541.49
  4. Step 4: Simplify right side
    3,885.09x = 13,620,885.54
  5. Step 5: Solve for x
    x = 13,620,885.54/3,885.09
  6. Step 6: Final answer
    x = 3,505.94

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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.