Home / 5,448.37-7,519.04-4,119.79

Finding the Fourth Proportional to 5,448.37, 7,519.04 and 4,119.79

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Solution

The fourth proportional to 5,448.37, 7,519.04 and 4,119.79 is: 5,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.37 : 7,519.04 = 4,119.79 : x
  2. Step 2: Convert to fraction form
    5,448.37/7,519.04 = 4,119.79/x
  3. Step 3: Cross multiply
    5,448.37x = 7,519.04 × 4,119.79
  4. Step 4: Simplify right side
    5,448.37x = 30,976,865.80
  5. Step 5: Solve for x
    x = 30,976,865.80/5,448.37
  6. Step 6: Final answer
    x = 5,685.53

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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.