Home / 3,211.82-4,432.44-2,424.50

Finding the Fourth Proportional to 3,211.82, 4,432.44 and 2,424.50

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Solution

The fourth proportional to 3,211.82, 4,432.44 and 2,424.50 is: 3,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.82 : 4,432.44 = 2,424.50 : x
  2. Step 2: Convert to fraction form
    3,211.82/4,432.44 = 2,424.50/x
  3. Step 3: Cross multiply
    3,211.82x = 4,432.44 × 2,424.50
  4. Step 4: Simplify right side
    3,211.82x = 10,746,450.78
  5. Step 5: Solve for x
    x = 10,746,450.78/3,211.82
  6. Step 6: Final answer
    x = 3,345.91

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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.