Home / 4,967.20-7,450.80-3,325.60

Finding the Fourth Proportional to 4,967.20, 7,450.80 and 3,325.60

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Solution

The fourth proportional to 4,967.20, 7,450.80 and 3,325.60 is: 4,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.20 : 7,450.80 = 3,325.60 : x
  2. Step 2: Convert to fraction form
    4,967.20/7,450.80 = 3,325.60/x
  3. Step 3: Cross multiply
    4,967.20x = 7,450.80 × 3,325.60
  4. Step 4: Simplify right side
    4,967.20x = 24,778,380.48
  5. Step 5: Solve for x
    x = 24,778,380.48/4,967.20
  6. Step 6: Final answer
    x = 4,988.40

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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.