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Finding the Fourth Proportional to 3,487.94, 4,799.07 and 3,014.31

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Solution

The fourth proportional to 3,487.94, 4,799.07 and 3,014.31 is: 4,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.94 : 4,799.07 = 3,014.31 : x
  2. Step 2: Convert to fraction form
    3,487.94/4,799.07 = 3,014.31/x
  3. Step 3: Cross multiply
    3,487.94x = 4,799.07 × 3,014.31
  4. Step 4: Simplify right side
    3,487.94x = 14,465,884.69
  5. Step 5: Solve for x
    x = 14,465,884.69/3,487.94
  6. Step 6: Final answer
    x = 4,147.41

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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.