Home / 5,198.50-7,173.12-2,960.48

Finding the Fourth Proportional to 5,198.50, 7,173.12 and 2,960.48

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Solution

The fourth proportional to 5,198.50, 7,173.12 and 2,960.48 is: 4,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.50 : 7,173.12 = 2,960.48 : x
  2. Step 2: Convert to fraction form
    5,198.50/7,173.12 = 2,960.48/x
  3. Step 3: Cross multiply
    5,198.50x = 7,173.12 × 2,960.48
  4. Step 4: Simplify right side
    5,198.50x = 21,235,878.30
  5. Step 5: Solve for x
    x = 21,235,878.30/5,198.50
  6. Step 6: Final answer
    x = 4,085.00

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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.