Home / 3,745.13-5,168.29-2,066.53

Finding the Fourth Proportional to 3,745.13, 5,168.29 and 2,066.53

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Solution

The fourth proportional to 3,745.13, 5,168.29 and 2,066.53 is: 2,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.13 : 5,168.29 = 2,066.53 : x
  2. Step 2: Convert to fraction form
    3,745.13/5,168.29 = 2,066.53/x
  3. Step 3: Cross multiply
    3,745.13x = 5,168.29 × 2,066.53
  4. Step 4: Simplify right side
    3,745.13x = 10,680,408.25
  5. Step 5: Solve for x
    x = 10,680,408.25/3,745.13
  6. Step 6: Final answer
    x = 2,851.81

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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.