Home / 3,193.25-4,406.75-1,777.05

Finding the Fourth Proportional to 3,193.25, 4,406.75 and 1,777.05

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Solution

The fourth proportional to 3,193.25, 4,406.75 and 1,777.05 is: 2,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.25 : 4,406.75 = 1,777.05 : x
  2. Step 2: Convert to fraction form
    3,193.25/4,406.75 = 1,777.05/x
  3. Step 3: Cross multiply
    3,193.25x = 4,406.75 × 1,777.05
  4. Step 4: Simplify right side
    3,193.25x = 7,831,006.20
  5. Step 5: Solve for x
    x = 7,831,006.20/3,193.25
  6. Step 6: Final answer
    x = 2,452.37

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Half scale
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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.