Home / 4,080.12-6,120.18-3,358.68

Finding the Fourth Proportional to 4,080.12, 6,120.18 and 3,358.68

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Solution

The fourth proportional to 4,080.12, 6,120.18 and 3,358.68 is: 5,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.12 : 6,120.18 = 3,358.68 : x
  2. Step 2: Convert to fraction form
    4,080.12/6,120.18 = 3,358.68/x
  3. Step 3: Cross multiply
    4,080.12x = 6,120.18 × 3,358.68
  4. Step 4: Simplify right side
    4,080.12x = 20,555,726.16
  5. Step 5: Solve for x
    x = 20,555,726.16/4,080.12
  6. Step 6: Final answer
    x = 5,038.02

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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.