Home / 3,394.85-4,684.88-2,068.56

Finding the Fourth Proportional to 3,394.85, 4,684.88 and 2,068.56

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Solution

The fourth proportional to 3,394.85, 4,684.88 and 2,068.56 is: 2,854.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.85 : 4,684.88 = 2,068.56 : x
  2. Step 2: Convert to fraction form
    3,394.85/4,684.88 = 2,068.56/x
  3. Step 3: Cross multiply
    3,394.85x = 4,684.88 × 2,068.56
  4. Step 4: Simplify right side
    3,394.85x = 9,690,945.03
  5. Step 5: Solve for x
    x = 9,690,945.03/3,394.85
  6. Step 6: Final answer
    x = 2,854.61

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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.