Home / 4,721.80-7,074.49-3,313.23

Finding the Fourth Proportional to 4,721.80, 7,074.49 and 3,313.23

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Solution

The fourth proportional to 4,721.80, 7,074.49 and 3,313.23 is: 4,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.80 : 7,074.49 = 3,313.23 : x
  2. Step 2: Convert to fraction form
    4,721.80/7,074.49 = 3,313.23/x
  3. Step 3: Cross multiply
    4,721.80x = 7,074.49 × 3,313.23
  4. Step 4: Simplify right side
    4,721.80x = 23,439,447.62
  5. Step 5: Solve for x
    x = 23,439,447.62/4,721.80
  6. Step 6: Final answer
    x = 4,964.09

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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.