Home / 3,316.20-4,974.22-1,368.52

Finding the Fourth Proportional to 3,316.20, 4,974.22 and 1,368.52

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Solution

The fourth proportional to 3,316.20, 4,974.22 and 1,368.52 is: 2,052.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.20 : 4,974.22 = 1,368.52 : x
  2. Step 2: Convert to fraction form
    3,316.20/4,974.22 = 1,368.52/x
  3. Step 3: Cross multiply
    3,316.20x = 4,974.22 × 1,368.52
  4. Step 4: Simplify right side
    3,316.20x = 6,807,319.55
  5. Step 5: Solve for x
    x = 6,807,319.55/3,316.20
  6. Step 6: Final answer
    x = 2,052.75

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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.