Home / 5,189.94-7,159.50-3,197.34

Finding the Fourth Proportional to 5,189.94, 7,159.50 and 3,197.34

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Solution

The fourth proportional to 5,189.94, 7,159.50 and 3,197.34 is: 4,410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.94 : 7,159.50 = 3,197.34 : x
  2. Step 2: Convert to fraction form
    5,189.94/7,159.50 = 3,197.34/x
  3. Step 3: Cross multiply
    5,189.94x = 7,159.50 × 3,197.34
  4. Step 4: Simplify right side
    5,189.94x = 22,891,355.73
  5. Step 5: Solve for x
    x = 22,891,355.73/5,189.94
  6. Step 6: Final answer
    x = 4,410.72

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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.