Home / 4,829.90-7,241.61-1,906.70

Finding the Fourth Proportional to 4,829.90, 7,241.61 and 1,906.70

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Solution

The fourth proportional to 4,829.90, 7,241.61 and 1,906.70 is: 2,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,829.90 : 7,241.61 = 1,906.70 : x
  2. Step 2: Convert to fraction form
    4,829.90/7,241.61 = 1,906.70/x
  3. Step 3: Cross multiply
    4,829.90x = 7,241.61 × 1,906.70
  4. Step 4: Simplify right side
    4,829.90x = 13,807,577.79
  5. Step 5: Solve for x
    x = 13,807,577.79/4,829.90
  6. Step 6: Final answer
    x = 2,858.77

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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.