Home / 5,230.22-7,221.06-3,464.20

Finding the Fourth Proportional to 5,230.22, 7,221.06 and 3,464.20

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Solution

The fourth proportional to 5,230.22, 7,221.06 and 3,464.20 is: 4,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.22 : 7,221.06 = 3,464.20 : x
  2. Step 2: Convert to fraction form
    5,230.22/7,221.06 = 3,464.20/x
  3. Step 3: Cross multiply
    5,230.22x = 7,221.06 × 3,464.20
  4. Step 4: Simplify right side
    5,230.22x = 25,015,196.05
  5. Step 5: Solve for x
    x = 25,015,196.05/5,230.22
  6. Step 6: Final answer
    x = 4,782.82

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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.