Home / 5,203.21-7,180.35-2,845.33

Finding the Fourth Proportional to 5,203.21, 7,180.35 and 2,845.33

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Solution

The fourth proportional to 5,203.21, 7,180.35 and 2,845.33 is: 3,926.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.21 : 7,180.35 = 2,845.33 : x
  2. Step 2: Convert to fraction form
    5,203.21/7,180.35 = 2,845.33/x
  3. Step 3: Cross multiply
    5,203.21x = 7,180.35 × 2,845.33
  4. Step 4: Simplify right side
    5,203.21x = 20,430,465.27
  5. Step 5: Solve for x
    x = 20,430,465.27/5,203.21
  6. Step 6: Final answer
    x = 3,926.51

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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.