Home / 6,199.88-8,556.37-3,405.92

Finding the Fourth Proportional to 6,199.88, 8,556.37 and 3,405.92

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Solution

The fourth proportional to 6,199.88, 8,556.37 and 3,405.92 is: 4,700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.88 : 8,556.37 = 3,405.92 : x
  2. Step 2: Convert to fraction form
    6,199.88/8,556.37 = 3,405.92/x
  3. Step 3: Cross multiply
    6,199.88x = 8,556.37 × 3,405.92
  4. Step 4: Simplify right side
    6,199.88x = 29,142,260.41
  5. Step 5: Solve for x
    x = 29,142,260.41/6,199.88
  6. Step 6: Final answer
    x = 4,700.46

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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.