Home / 6,080.18-8,390.64-3,285.68

Finding the Fourth Proportional to 6,080.18, 8,390.64 and 3,285.68

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Solution

The fourth proportional to 6,080.18, 8,390.64 and 3,285.68 is: 4,534.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.18 : 8,390.64 = 3,285.68 : x
  2. Step 2: Convert to fraction form
    6,080.18/8,390.64 = 3,285.68/x
  3. Step 3: Cross multiply
    6,080.18x = 8,390.64 × 3,285.68
  4. Step 4: Simplify right side
    6,080.18x = 27,568,958.04
  5. Step 5: Solve for x
    x = 27,568,958.04/6,080.18
  6. Step 6: Final answer
    x = 4,534.23

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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.