Home / 1,965.94-2,953.13-1,236.03

Finding the Fourth Proportional to 1,965.94, 2,953.13 and 1,236.03

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Solution

The fourth proportional to 1,965.94, 2,953.13 and 1,236.03 is: 1,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.94 : 2,953.13 = 1,236.03 : x
  2. Step 2: Convert to fraction form
    1,965.94/2,953.13 = 1,236.03/x
  3. Step 3: Cross multiply
    1,965.94x = 2,953.13 × 1,236.03
  4. Step 4: Simplify right side
    1,965.94x = 3,650,140.02
  5. Step 5: Solve for x
    x = 3,650,140.02/1,965.94
  6. Step 6: Final answer
    x = 1,856.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.