Home / 7,069.41-10,604.25-2,139.03

Finding the Fourth Proportional to 7,069.41, 10,604.25 and 2,139.03

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Solution

The fourth proportional to 7,069.41, 10,604.25 and 2,139.03 is: 3,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.41 : 10,604.25 = 2,139.03 : x
  2. Step 2: Convert to fraction form
    7,069.41/10,604.25 = 2,139.03/x
  3. Step 3: Cross multiply
    7,069.41x = 10,604.25 × 2,139.03
  4. Step 4: Simplify right side
    7,069.41x = 22,682,808.88
  5. Step 5: Solve for x
    x = 22,682,808.88/7,069.41
  6. Step 6: Final answer
    x = 3,208.59

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.