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Finding the Fourth Proportional to 4,683.40, 7,025.40 and 1,396.22

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Solution

The fourth proportional to 4,683.40, 7,025.40 and 1,396.22 is: 2,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,683.40 : 7,025.40 = 1,396.22 : x
  2. Step 2: Convert to fraction form
    4,683.40/7,025.40 = 1,396.22/x
  3. Step 3: Cross multiply
    4,683.40x = 7,025.40 × 1,396.22
  4. Step 4: Simplify right side
    4,683.40x = 9,809,003.99
  5. Step 5: Solve for x
    x = 9,809,003.99/4,683.40
  6. Step 6: Final answer
    x = 2,094.42

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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.