Home / 5,316.40-7,336.20-3,325.60

Finding the Fourth Proportional to 5,316.40, 7,336.20 and 3,325.60

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Solution

The fourth proportional to 5,316.40, 7,336.20 and 3,325.60 is: 4,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.40 : 7,336.20 = 3,325.60 : x
  2. Step 2: Convert to fraction form
    5,316.40/7,336.20 = 3,325.60/x
  3. Step 3: Cross multiply
    5,316.40x = 7,336.20 × 3,325.60
  4. Step 4: Simplify right side
    5,316.40x = 24,397,266.72
  5. Step 5: Solve for x
    x = 24,397,266.72/5,316.40
  6. Step 6: Final answer
    x = 4,589.06

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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.