Home / 4,180.40-6,272.20-4,114.80

Finding the Fourth Proportional to 4,180.40, 6,272.20 and 4,114.80

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Solution

The fourth proportional to 4,180.40, 6,272.20 and 4,114.80 is: 6,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.40 : 6,272.20 = 4,114.80 : x
  2. Step 2: Convert to fraction form
    4,180.40/6,272.20 = 4,114.80/x
  3. Step 3: Cross multiply
    4,180.40x = 6,272.20 × 4,114.80
  4. Step 4: Simplify right side
    4,180.40x = 25,808,848.56
  5. Step 5: Solve for x
    x = 25,808,848.56/4,180.40
  6. Step 6: Final answer
    x = 6,173.77

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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.