Home / 6,102.60-8,421.68-3,449.84

Finding the Fourth Proportional to 6,102.60, 8,421.68 and 3,449.84

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Solution

The fourth proportional to 6,102.60, 8,421.68 and 3,449.84 is: 4,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.60 : 8,421.68 = 3,449.84 : x
  2. Step 2: Convert to fraction form
    6,102.60/8,421.68 = 3,449.84/x
  3. Step 3: Cross multiply
    6,102.60x = 8,421.68 × 3,449.84
  4. Step 4: Simplify right side
    6,102.60x = 29,053,448.53
  5. Step 5: Solve for x
    x = 29,053,448.53/6,102.60
  6. Step 6: Final answer
    x = 4,760.83

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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.