Home / 1,923.29-2,653.86-1,083.84

Finding the Fourth Proportional to 1,923.29, 2,653.86 and 1,083.84

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Solution

The fourth proportional to 1,923.29, 2,653.86 and 1,083.84 is: 1,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.29 : 2,653.86 = 1,083.84 : x
  2. Step 2: Convert to fraction form
    1,923.29/2,653.86 = 1,083.84/x
  3. Step 3: Cross multiply
    1,923.29x = 2,653.86 × 1,083.84
  4. Step 4: Simplify right side
    1,923.29x = 2,876,359.62
  5. Step 5: Solve for x
    x = 2,876,359.62/1,923.29
  6. Step 6: Final answer
    x = 1,495.54

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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.