Home / 4,782.25-7,161.13-4,338.37

Finding the Fourth Proportional to 4,782.25, 7,161.13 and 4,338.37

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Solution

The fourth proportional to 4,782.25, 7,161.13 and 4,338.37 is: 6,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.25 : 7,161.13 = 4,338.37 : x
  2. Step 2: Convert to fraction form
    4,782.25/7,161.13 = 4,338.37/x
  3. Step 3: Cross multiply
    4,782.25x = 7,161.13 × 4,338.37
  4. Step 4: Simplify right side
    4,782.25x = 31,067,631.56
  5. Step 5: Solve for x
    x = 31,067,631.56/4,782.25
  6. Step 6: Final answer
    x = 6,496.45

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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.