Home / 3,745.35-5,168.51-2,152.01

Finding the Fourth Proportional to 3,745.35, 5,168.51 and 2,152.01

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Solution

The fourth proportional to 3,745.35, 5,168.51 and 2,152.01 is: 2,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.35 : 5,168.51 = 2,152.01 : x
  2. Step 2: Convert to fraction form
    3,745.35/5,168.51 = 2,152.01/x
  3. Step 3: Cross multiply
    3,745.35x = 5,168.51 × 2,152.01
  4. Step 4: Simplify right side
    3,745.35x = 11,122,648.60
  5. Step 5: Solve for x
    x = 11,122,648.60/3,745.35
  6. Step 6: Final answer
    x = 2,969.72

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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.