Home / 5,745.63-7,930.44-3,388.53

Finding the Fourth Proportional to 5,745.63, 7,930.44 and 3,388.53

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Solution

The fourth proportional to 5,745.63, 7,930.44 and 3,388.53 is: 4,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.63 : 7,930.44 = 3,388.53 : x
  2. Step 2: Convert to fraction form
    5,745.63/7,930.44 = 3,388.53/x
  3. Step 3: Cross multiply
    5,745.63x = 7,930.44 × 3,388.53
  4. Step 4: Simplify right side
    5,745.63x = 26,872,533.85
  5. Step 5: Solve for x
    x = 26,872,533.85/5,745.63
  6. Step 6: Final answer
    x = 4,677.04

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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.