Home / 3,214.48-4,436.39-1,798.25

Finding the Fourth Proportional to 3,214.48, 4,436.39 and 1,798.25

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Solution

The fourth proportional to 3,214.48, 4,436.39 and 1,798.25 is: 2,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.48 : 4,436.39 = 1,798.25 : x
  2. Step 2: Convert to fraction form
    3,214.48/4,436.39 = 1,798.25/x
  3. Step 3: Cross multiply
    3,214.48x = 4,436.39 × 1,798.25
  4. Step 4: Simplify right side
    3,214.48x = 7,977,720.63
  5. Step 5: Solve for x
    x = 7,977,720.63/3,214.48
  6. Step 6: Final answer
    x = 2,481.81

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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.