Home / 3,745.44-5,168.76-2,152.35

Finding the Fourth Proportional to 3,745.44, 5,168.76 and 2,152.35

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Solution

The fourth proportional to 3,745.44, 5,168.76 and 2,152.35 is: 2,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.44 : 5,168.76 = 2,152.35 : x
  2. Step 2: Convert to fraction form
    3,745.44/5,168.76 = 2,152.35/x
  3. Step 3: Cross multiply
    3,745.44x = 5,168.76 × 2,152.35
  4. Step 4: Simplify right side
    3,745.44x = 11,124,980.59
  5. Step 5: Solve for x
    x = 11,124,980.59/3,745.44
  6. Step 6: Final answer
    x = 2,970.27

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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.