Home / 3,769.90-5,200.05-3,025.60

Finding the Fourth Proportional to 3,769.90, 5,200.05 and 3,025.60

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Solution

The fourth proportional to 3,769.90, 5,200.05 and 3,025.60 is: 4,173.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.90 : 5,200.05 = 3,025.60 : x
  2. Step 2: Convert to fraction form
    3,769.90/5,200.05 = 3,025.60/x
  3. Step 3: Cross multiply
    3,769.90x = 5,200.05 × 3,025.60
  4. Step 4: Simplify right side
    3,769.90x = 15,733,271.28
  5. Step 5: Solve for x
    x = 15,733,271.28/3,769.90
  6. Step 6: Final answer
    x = 4,173.39

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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.