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Finding the Fourth Proportional to 3,907.84, 5,393.52 and 2,336.08

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Solution

The fourth proportional to 3,907.84, 5,393.52 and 2,336.08 is: 3,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.84 : 5,393.52 = 2,336.08 : x
  2. Step 2: Convert to fraction form
    3,907.84/5,393.52 = 2,336.08/x
  3. Step 3: Cross multiply
    3,907.84x = 5,393.52 × 2,336.08
  4. Step 4: Simplify right side
    3,907.84x = 12,599,694.20
  5. Step 5: Solve for x
    x = 12,599,694.20/3,907.84
  6. Step 6: Final answer
    x = 3,224.21

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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.