Home / 5,742.36-7,923.84-3,224.74

Finding the Fourth Proportional to 5,742.36, 7,923.84 and 3,224.74

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Solution

The fourth proportional to 5,742.36, 7,923.84 and 3,224.74 is: 4,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.36 : 7,923.84 = 3,224.74 : x
  2. Step 2: Convert to fraction form
    5,742.36/7,923.84 = 3,224.74/x
  3. Step 3: Cross multiply
    5,742.36x = 7,923.84 × 3,224.74
  4. Step 4: Simplify right side
    5,742.36x = 25,552,323.80
  5. Step 5: Solve for x
    x = 25,552,323.80/5,742.36
  6. Step 6: Final answer
    x = 4,449.79

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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.