Home / 4,103.60-6,148.20-3,642.80

Finding the Fourth Proportional to 4,103.60, 6,148.20 and 3,642.80

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Solution

The fourth proportional to 4,103.60, 6,148.20 and 3,642.80 is: 5,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.60 : 6,148.20 = 3,642.80 : x
  2. Step 2: Convert to fraction form
    4,103.60/6,148.20 = 3,642.80/x
  3. Step 3: Cross multiply
    4,103.60x = 6,148.20 × 3,642.80
  4. Step 4: Simplify right side
    4,103.60x = 22,396,662.96
  5. Step 5: Solve for x
    x = 22,396,662.96/4,103.60
  6. Step 6: Final answer
    x = 5,457.81

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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.