Home / 3,394.86-4,684.61-1,902.58

Finding the Fourth Proportional to 3,394.86, 4,684.61 and 1,902.58

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Solution

The fourth proportional to 3,394.86, 4,684.61 and 1,902.58 is: 2,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.86 : 4,684.61 = 1,902.58 : x
  2. Step 2: Convert to fraction form
    3,394.86/4,684.61 = 1,902.58/x
  3. Step 3: Cross multiply
    3,394.86x = 4,684.61 × 1,902.58
  4. Step 4: Simplify right side
    3,394.86x = 8,912,845.29
  5. Step 5: Solve for x
    x = 8,912,845.29/3,394.86
  6. Step 6: Final answer
    x = 2,625.39

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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.