Home / 3,002.40-4,145.04-2,059.56

Finding the Fourth Proportional to 3,002.40, 4,145.04 and 2,059.56

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Solution

The fourth proportional to 3,002.40, 4,145.04 and 2,059.56 is: 2,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.40 : 4,145.04 = 2,059.56 : x
  2. Step 2: Convert to fraction form
    3,002.40/4,145.04 = 2,059.56/x
  3. Step 3: Cross multiply
    3,002.40x = 4,145.04 × 2,059.56
  4. Step 4: Simplify right side
    3,002.40x = 8,536,958.58
  5. Step 5: Solve for x
    x = 8,536,958.58/3,002.40
  6. Step 6: Final answer
    x = 2,843.38

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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.