Home / 3,540.05-4,885.26-1,968.14

Finding the Fourth Proportional to 3,540.05, 4,885.26 and 1,968.14

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Solution

The fourth proportional to 3,540.05, 4,885.26 and 1,968.14 is: 2,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.05 : 4,885.26 = 1,968.14 : x
  2. Step 2: Convert to fraction form
    3,540.05/4,885.26 = 1,968.14/x
  3. Step 3: Cross multiply
    3,540.05x = 4,885.26 × 1,968.14
  4. Step 4: Simplify right side
    3,540.05x = 9,614,875.62
  5. Step 5: Solve for x
    x = 9,614,875.62/3,540.05
  6. Step 6: Final answer
    x = 2,716.03

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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.