Home / 3,914.69-5,402.66-2,236.35

Finding the Fourth Proportional to 3,914.69, 5,402.66 and 2,236.35

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Solution

The fourth proportional to 3,914.69, 5,402.66 and 2,236.35 is: 3,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.69 : 5,402.66 = 2,236.35 : x
  2. Step 2: Convert to fraction form
    3,914.69/5,402.66 = 2,236.35/x
  3. Step 3: Cross multiply
    3,914.69x = 5,402.66 × 2,236.35
  4. Step 4: Simplify right side
    3,914.69x = 12,082,227.51
  5. Step 5: Solve for x
    x = 12,082,227.51/3,914.69
  6. Step 6: Final answer
    x = 3,086.39

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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.