Home / 5,197.44-7,796.14-1,690.36

Finding the Fourth Proportional to 5,197.44, 7,796.14 and 1,690.36

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Solution

The fourth proportional to 5,197.44, 7,796.14 and 1,690.36 is: 2,535.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.44 : 7,796.14 = 1,690.36 : x
  2. Step 2: Convert to fraction form
    5,197.44/7,796.14 = 1,690.36/x
  3. Step 3: Cross multiply
    5,197.44x = 7,796.14 × 1,690.36
  4. Step 4: Simplify right side
    5,197.44x = 13,178,283.21
  5. Step 5: Solve for x
    x = 13,178,283.21/5,197.44
  6. Step 6: Final answer
    x = 2,535.53

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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.