Home / 3,240.42-4,473.12-2,193.08

Finding the Fourth Proportional to 3,240.42, 4,473.12 and 2,193.08

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Solution

The fourth proportional to 3,240.42, 4,473.12 and 2,193.08 is: 3,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.42 : 4,473.12 = 2,193.08 : x
  2. Step 2: Convert to fraction form
    3,240.42/4,473.12 = 2,193.08/x
  3. Step 3: Cross multiply
    3,240.42x = 4,473.12 × 2,193.08
  4. Step 4: Simplify right side
    3,240.42x = 9,809,910.01
  5. Step 5: Solve for x
    x = 9,809,910.01/3,240.42
  6. Step 6: Final answer
    x = 3,027.36

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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.