Home / 4,923.90-6,796.08-3,131.03

Finding the Fourth Proportional to 4,923.90, 6,796.08 and 3,131.03

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Solution

The fourth proportional to 4,923.90, 6,796.08 and 3,131.03 is: 4,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.90 : 6,796.08 = 3,131.03 : x
  2. Step 2: Convert to fraction form
    4,923.90/6,796.08 = 3,131.03/x
  3. Step 3: Cross multiply
    4,923.90x = 6,796.08 × 3,131.03
  4. Step 4: Simplify right side
    4,923.90x = 21,278,719.43
  5. Step 5: Solve for x
    x = 21,278,719.43/4,923.90
  6. Step 6: Final answer
    x = 4,321.52

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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.