Home / 4,945.87-6,825.30-2,707.89

Finding the Fourth Proportional to 4,945.87, 6,825.30 and 2,707.89

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Solution

The fourth proportional to 4,945.87, 6,825.30 and 2,707.89 is: 3,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.87 : 6,825.30 = 2,707.89 : x
  2. Step 2: Convert to fraction form
    4,945.87/6,825.30 = 2,707.89/x
  3. Step 3: Cross multiply
    4,945.87x = 6,825.30 × 2,707.89
  4. Step 4: Simplify right side
    4,945.87x = 18,482,180.30
  5. Step 5: Solve for x
    x = 18,482,180.30/4,945.87
  6. Step 6: Final answer
    x = 3,736.89

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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.