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Finding the Fourth Proportional to 5,393.84, 8,091.24 and 1,696.16

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Solution

The fourth proportional to 5,393.84, 8,091.24 and 1,696.16 is: 2,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.84 : 8,091.24 = 1,696.16 : x
  2. Step 2: Convert to fraction form
    5,393.84/8,091.24 = 1,696.16/x
  3. Step 3: Cross multiply
    5,393.84x = 8,091.24 × 1,696.16
  4. Step 4: Simplify right side
    5,393.84x = 13,724,037.64
  5. Step 5: Solve for x
    x = 13,724,037.64/5,393.84
  6. Step 6: Final answer
    x = 2,544.39

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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.