Home / 3,621.58-5,432.37-2,331.25

Finding the Fourth Proportional to 3,621.58, 5,432.37 and 2,331.25

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Solution

The fourth proportional to 3,621.58, 5,432.37 and 2,331.25 is: 3,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.58 : 5,432.37 = 2,331.25 : x
  2. Step 2: Convert to fraction form
    3,621.58/5,432.37 = 2,331.25/x
  3. Step 3: Cross multiply
    3,621.58x = 5,432.37 × 2,331.25
  4. Step 4: Simplify right side
    3,621.58x = 12,664,201.40
  5. Step 5: Solve for x
    x = 12,664,201.40/3,621.58
  6. Step 6: Final answer
    x = 3,496.87

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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.