Home / 3,961.27-5,461.58-2,542.45

Finding the Fourth Proportional to 3,961.27, 5,461.58 and 2,542.45

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Solution

The fourth proportional to 3,961.27, 5,461.58 and 2,542.45 is: 3,505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.27 : 5,461.58 = 2,542.45 : x
  2. Step 2: Convert to fraction form
    3,961.27/5,461.58 = 2,542.45/x
  3. Step 3: Cross multiply
    3,961.27x = 5,461.58 × 2,542.45
  4. Step 4: Simplify right side
    3,961.27x = 13,885,767.70
  5. Step 5: Solve for x
    x = 13,885,767.70/3,961.27
  6. Step 6: Final answer
    x = 3,505.39

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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.