Home / 3,214-4,813.24-1,566.48

Finding the Fourth Proportional to 3,214, 4,813.24 and 1,566.48

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Solution

The fourth proportional to 3,214, 4,813.24 and 1,566.48 is: 2,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214 : 4,813.24 = 1,566.48 : x
  2. Step 2: Convert to fraction form
    3,214/4,813.24 = 1,566.48/x
  3. Step 3: Cross multiply
    3,214x = 4,813.24 × 1,566.48
  4. Step 4: Simplify right side
    3,214x = 7,539,844.20
  5. Step 5: Solve for x
    x = 7,539,844.20/3,214
  6. Step 6: Final answer
    x = 2,345.94

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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.