Home / 1,768.84-2,653.26-1,192.12

Finding the Fourth Proportional to 1,768.84, 2,653.26 and 1,192.12

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Solution

The fourth proportional to 1,768.84, 2,653.26 and 1,192.12 is: 1,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.84 : 2,653.26 = 1,192.12 : x
  2. Step 2: Convert to fraction form
    1,768.84/2,653.26 = 1,192.12/x
  3. Step 3: Cross multiply
    1,768.84x = 2,653.26 × 1,192.12
  4. Step 4: Simplify right side
    1,768.84x = 3,163,004.31
  5. Step 5: Solve for x
    x = 3,163,004.31/1,768.84
  6. Step 6: Final answer
    x = 1,788.18

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Similar ratio
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1.5x scale

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.