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Finding the Fourth Proportional to 3,433.95, 4,735.29 and 2,938.23

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Solution

The fourth proportional to 3,433.95, 4,735.29 and 2,938.23 is: 4,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.95 : 4,735.29 = 2,938.23 : x
  2. Step 2: Convert to fraction form
    3,433.95/4,735.29 = 2,938.23/x
  3. Step 3: Cross multiply
    3,433.95x = 4,735.29 × 2,938.23
  4. Step 4: Simplify right side
    3,433.95x = 13,913,371.14
  5. Step 5: Solve for x
    x = 13,913,371.14/3,433.95
  6. Step 6: Final answer
    x = 4,051.71

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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.