Home / 5,106.22-7,662.36-4,782.26

Finding the Fourth Proportional to 5,106.22, 7,662.36 and 4,782.26

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Solution

The fourth proportional to 5,106.22, 7,662.36 and 4,782.26 is: 7,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.22 : 7,662.36 = 4,782.26 : x
  2. Step 2: Convert to fraction form
    5,106.22/7,662.36 = 4,782.26/x
  3. Step 3: Cross multiply
    5,106.22x = 7,662.36 × 4,782.26
  4. Step 4: Simplify right side
    5,106.22x = 36,643,397.73
  5. Step 5: Solve for x
    x = 36,643,397.73/5,106.22
  6. Step 6: Final answer
    x = 7,176.23

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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.