Home / 4,524.39-6,782.81-3,140.43

Finding the Fourth Proportional to 4,524.39, 6,782.81 and 3,140.43

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Solution

The fourth proportional to 4,524.39, 6,782.81 and 3,140.43 is: 4,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,524.39 : 6,782.81 = 3,140.43 : x
  2. Step 2: Convert to fraction form
    4,524.39/6,782.81 = 3,140.43/x
  3. Step 3: Cross multiply
    4,524.39x = 6,782.81 × 3,140.43
  4. Step 4: Simplify right side
    4,524.39x = 21,300,973.06
  5. Step 5: Solve for x
    x = 21,300,973.06/4,524.39
  6. Step 6: Final answer
    x = 4,708.03

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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.