Home / 3,431.86-4,733.08-2,722.58

Finding the Fourth Proportional to 3,431.86, 4,733.08 and 2,722.58

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Solution

The fourth proportional to 3,431.86, 4,733.08 and 2,722.58 is: 3,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.86 : 4,733.08 = 2,722.58 : x
  2. Step 2: Convert to fraction form
    3,431.86/4,733.08 = 2,722.58/x
  3. Step 3: Cross multiply
    3,431.86x = 4,733.08 × 2,722.58
  4. Step 4: Simplify right side
    3,431.86x = 12,886,188.95
  5. Step 5: Solve for x
    x = 12,886,188.95/3,431.86
  6. Step 6: Final answer
    x = 3,754.87

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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.