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Finding the Fourth Proportional to 4,893.71, 7,340.54 and 1,383.71

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Solution

The fourth proportional to 4,893.71, 7,340.54 and 1,383.71 is: 2,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893.71 : 7,340.54 = 1,383.71 : x
  2. Step 2: Convert to fraction form
    4,893.71/7,340.54 = 1,383.71/x
  3. Step 3: Cross multiply
    4,893.71x = 7,340.54 × 1,383.71
  4. Step 4: Simplify right side
    4,893.71x = 10,157,134.98
  5. Step 5: Solve for x
    x = 10,157,134.98/4,893.71
  6. Step 6: Final answer
    x = 2,075.55

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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.