Home / 4,744.94-7,117.46-3,111.84

Finding the Fourth Proportional to 4,744.94, 7,117.46 and 3,111.84

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Solution

The fourth proportional to 4,744.94, 7,117.46 and 3,111.84 is: 4,667.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.94 : 7,117.46 = 3,111.84 : x
  2. Step 2: Convert to fraction form
    4,744.94/7,117.46 = 3,111.84/x
  3. Step 3: Cross multiply
    4,744.94x = 7,117.46 × 3,111.84
  4. Step 4: Simplify right side
    4,744.94x = 22,148,396.73
  5. Step 5: Solve for x
    x = 22,148,396.73/4,744.94
  6. Step 6: Final answer
    x = 4,667.79

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1.5x scale

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.