Home / 5,453.70-8,180.60-2,331.08

Finding the Fourth Proportional to 5,453.70, 8,180.60 and 2,331.08

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Solution

The fourth proportional to 5,453.70, 8,180.60 and 2,331.08 is: 3,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.70 : 8,180.60 = 2,331.08 : x
  2. Step 2: Convert to fraction form
    5,453.70/8,180.60 = 2,331.08/x
  3. Step 3: Cross multiply
    5,453.70x = 8,180.60 × 2,331.08
  4. Step 4: Simplify right side
    5,453.70x = 19,069,611.17
  5. Step 5: Solve for x
    x = 19,069,611.17/5,453.70
  6. Step 6: Final answer
    x = 3,496.63

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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.