Home / 3,164.49-4,365.34-2,101.97

Finding the Fourth Proportional to 3,164.49, 4,365.34 and 2,101.97

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Solution

The fourth proportional to 3,164.49, 4,365.34 and 2,101.97 is: 2,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.49 : 4,365.34 = 2,101.97 : x
  2. Step 2: Convert to fraction form
    3,164.49/4,365.34 = 2,101.97/x
  3. Step 3: Cross multiply
    3,164.49x = 4,365.34 × 2,101.97
  4. Step 4: Simplify right side
    3,164.49x = 9,175,813.72
  5. Step 5: Solve for x
    x = 9,175,813.72/3,164.49
  6. Step 6: Final answer
    x = 2,899.62

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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.