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Finding the Fourth Proportional to 3,383.79, 5,076.10 and 1,192.07

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Solution

The fourth proportional to 3,383.79, 5,076.10 and 1,192.07 is: 1,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.79 : 5,076.10 = 1,192.07 : x
  2. Step 2: Convert to fraction form
    3,383.79/5,076.10 = 1,192.07/x
  3. Step 3: Cross multiply
    3,383.79x = 5,076.10 × 1,192.07
  4. Step 4: Simplify right side
    3,383.79x = 6,051,066.53
  5. Step 5: Solve for x
    x = 6,051,066.53/3,383.79
  6. Step 6: Final answer
    x = 1,788.25

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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.