Home / 3,919.21-5,877.07-1,837.53

Finding the Fourth Proportional to 3,919.21, 5,877.07 and 1,837.53

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Solution

The fourth proportional to 3,919.21, 5,877.07 and 1,837.53 is: 2,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.21 : 5,877.07 = 1,837.53 : x
  2. Step 2: Convert to fraction form
    3,919.21/5,877.07 = 1,837.53/x
  3. Step 3: Cross multiply
    3,919.21x = 5,877.07 × 1,837.53
  4. Step 4: Simplify right side
    3,919.21x = 10,799,287.84
  5. Step 5: Solve for x
    x = 10,799,287.84/3,919.21
  6. Step 6: Final answer
    x = 2,755.48

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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.