Home / 5,471.88-7,551.53-3,114.03

Finding the Fourth Proportional to 5,471.88, 7,551.53 and 3,114.03

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Solution

The fourth proportional to 5,471.88, 7,551.53 and 3,114.03 is: 4,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.88 : 7,551.53 = 3,114.03 : x
  2. Step 2: Convert to fraction form
    5,471.88/7,551.53 = 3,114.03/x
  3. Step 3: Cross multiply
    5,471.88x = 7,551.53 × 3,114.03
  4. Step 4: Simplify right side
    5,471.88x = 23,515,690.97
  5. Step 5: Solve for x
    x = 23,515,690.97/5,471.88
  6. Step 6: Final answer
    x = 4,297.55

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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.