Home / 3,212.56-4,433.50-1,953.41

Finding the Fourth Proportional to 3,212.56, 4,433.50 and 1,953.41

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Solution

The fourth proportional to 3,212.56, 4,433.50 and 1,953.41 is: 2,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.56 : 4,433.50 = 1,953.41 : x
  2. Step 2: Convert to fraction form
    3,212.56/4,433.50 = 1,953.41/x
  3. Step 3: Cross multiply
    3,212.56x = 4,433.50 × 1,953.41
  4. Step 4: Simplify right side
    3,212.56x = 8,660,443.24
  5. Step 5: Solve for x
    x = 8,660,443.24/3,212.56
  6. Step 6: Final answer
    x = 2,695.81

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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.