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Finding the Fourth Proportional to 3,409.94, 5,113.28 and 1,847.46

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Solution

The fourth proportional to 3,409.94, 5,113.28 and 1,847.46 is: 2,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.94 : 5,113.28 = 1,847.46 : x
  2. Step 2: Convert to fraction form
    3,409.94/5,113.28 = 1,847.46/x
  3. Step 3: Cross multiply
    3,409.94x = 5,113.28 × 1,847.46
  4. Step 4: Simplify right side
    3,409.94x = 9,446,580.27
  5. Step 5: Solve for x
    x = 9,446,580.27/3,409.94
  6. Step 6: Final answer
    x = 2,770.31

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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.