Home / 3,416.94-4,717.74-2,618.88

Finding the Fourth Proportional to 3,416.94, 4,717.74 and 2,618.88

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Solution

The fourth proportional to 3,416.94, 4,717.74 and 2,618.88 is: 3,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.94 : 4,717.74 = 2,618.88 : x
  2. Step 2: Convert to fraction form
    3,416.94/4,717.74 = 2,618.88/x
  3. Step 3: Cross multiply
    3,416.94x = 4,717.74 × 2,618.88
  4. Step 4: Simplify right side
    3,416.94x = 12,355,194.93
  5. Step 5: Solve for x
    x = 12,355,194.93/3,416.94
  6. Step 6: Final answer
    x = 3,615.87

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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.