Home / 5,224.99-7,211.12-2,986.96

Finding the Fourth Proportional to 5,224.99, 7,211.12 and 2,986.96

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Solution

The fourth proportional to 5,224.99, 7,211.12 and 2,986.96 is: 4,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.99 : 7,211.12 = 2,986.96 : x
  2. Step 2: Convert to fraction form
    5,224.99/7,211.12 = 2,986.96/x
  3. Step 3: Cross multiply
    5,224.99x = 7,211.12 × 2,986.96
  4. Step 4: Simplify right side
    5,224.99x = 21,539,327.00
  5. Step 5: Solve for x
    x = 21,539,327.00/5,224.99
  6. Step 6: Final answer
    x = 4,122.37

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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.