Home / 5,247.99-7,241.94-2,889.95

Finding the Fourth Proportional to 5,247.99, 7,241.94 and 2,889.95

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Solution

The fourth proportional to 5,247.99, 7,241.94 and 2,889.95 is: 3,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.99 : 7,241.94 = 2,889.95 : x
  2. Step 2: Convert to fraction form
    5,247.99/7,241.94 = 2,889.95/x
  3. Step 3: Cross multiply
    5,247.99x = 7,241.94 × 2,889.95
  4. Step 4: Simplify right side
    5,247.99x = 20,928,808.29
  5. Step 5: Solve for x
    x = 20,928,808.29/5,247.99
  6. Step 6: Final answer
    x = 3,987.97

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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.