Home / 1,923.33-2,653.68-1,137.21

Finding the Fourth Proportional to 1,923.33, 2,653.68 and 1,137.21

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Solution

The fourth proportional to 1,923.33, 2,653.68 and 1,137.21 is: 1,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.33 : 2,653.68 = 1,137.21 : x
  2. Step 2: Convert to fraction form
    1,923.33/2,653.68 = 1,137.21/x
  3. Step 3: Cross multiply
    1,923.33x = 2,653.68 × 1,137.21
  4. Step 4: Simplify right side
    1,923.33x = 3,017,791.43
  5. Step 5: Solve for x
    x = 3,017,791.43/1,923.33
  6. Step 6: Final answer
    x = 1,569.05

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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.