Home / 2,272.98-3,409.34-2,211.42

Finding the Fourth Proportional to 2,272.98, 3,409.34 and 2,211.42

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Solution

The fourth proportional to 2,272.98, 3,409.34 and 2,211.42 is: 3,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.98 : 3,409.34 = 2,211.42 : x
  2. Step 2: Convert to fraction form
    2,272.98/3,409.34 = 2,211.42/x
  3. Step 3: Cross multiply
    2,272.98x = 3,409.34 × 2,211.42
  4. Step 4: Simplify right side
    2,272.98x = 7,539,471.61
  5. Step 5: Solve for x
    x = 7,539,471.61/2,272.98
  6. Step 6: Final answer
    x = 3,317.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.