Home / 1,922.44-2,652.78-1,136.38

Finding the Fourth Proportional to 1,922.44, 2,652.78 and 1,136.38

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Solution

The fourth proportional to 1,922.44, 2,652.78 and 1,136.38 is: 1,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.44 : 2,652.78 = 1,136.38 : x
  2. Step 2: Convert to fraction form
    1,922.44/2,652.78 = 1,136.38/x
  3. Step 3: Cross multiply
    1,922.44x = 2,652.78 × 1,136.38
  4. Step 4: Simplify right side
    1,922.44x = 3,014,566.14
  5. Step 5: Solve for x
    x = 3,014,566.14/1,922.44
  6. Step 6: Final answer
    x = 1,568.09

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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.