Home / 5,216.12-7,196.82-3,354.20

Finding the Fourth Proportional to 5,216.12, 7,196.82 and 3,354.20

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Solution

The fourth proportional to 5,216.12, 7,196.82 and 3,354.20 is: 4,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.12 : 7,196.82 = 3,354.20 : x
  2. Step 2: Convert to fraction form
    5,216.12/7,196.82 = 3,354.20/x
  3. Step 3: Cross multiply
    5,216.12x = 7,196.82 × 3,354.20
  4. Step 4: Simplify right side
    5,216.12x = 24,139,573.64
  5. Step 5: Solve for x
    x = 24,139,573.64/5,216.12
  6. Step 6: Final answer
    x = 4,627.88

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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.