Home / 3,391.58-5,087.20-1,416.44

Finding the Fourth Proportional to 3,391.58, 5,087.20 and 1,416.44

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Solution

The fourth proportional to 3,391.58, 5,087.20 and 1,416.44 is: 2,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.58 : 5,087.20 = 1,416.44 : x
  2. Step 2: Convert to fraction form
    3,391.58/5,087.20 = 1,416.44/x
  3. Step 3: Cross multiply
    3,391.58x = 5,087.20 × 1,416.44
  4. Step 4: Simplify right side
    3,391.58x = 7,205,722.74
  5. Step 5: Solve for x
    x = 7,205,722.74/3,391.58
  6. Step 6: Final answer
    x = 2,124.59

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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.