Home / 5,969.40-8,236.47-3,611.49

Finding the Fourth Proportional to 5,969.40, 8,236.47 and 3,611.49

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Solution

The fourth proportional to 5,969.40, 8,236.47 and 3,611.49 is: 4,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,969.40 : 8,236.47 = 3,611.49 : x
  2. Step 2: Convert to fraction form
    5,969.40/8,236.47 = 3,611.49/x
  3. Step 3: Cross multiply
    5,969.40x = 8,236.47 × 3,611.49
  4. Step 4: Simplify right side
    5,969.40x = 29,745,929.04
  5. Step 5: Solve for x
    x = 29,745,929.04/5,969.40
  6. Step 6: Final answer
    x = 4,983.07

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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.