Home / 3,361.40-5,040.48-1,170.08

Finding the Fourth Proportional to 3,361.40, 5,040.48 and 1,170.08

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Solution

The fourth proportional to 3,361.40, 5,040.48 and 1,170.08 is: 1,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.40 : 5,040.48 = 1,170.08 : x
  2. Step 2: Convert to fraction form
    3,361.40/5,040.48 = 1,170.08/x
  3. Step 3: Cross multiply
    3,361.40x = 5,040.48 × 1,170.08
  4. Step 4: Simplify right side
    3,361.40x = 5,897,764.84
  5. Step 5: Solve for x
    x = 5,897,764.84/3,361.40
  6. Step 6: Final answer
    x = 1,754.56

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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.