Home / 3,680.44-5,515.24-2,902.32

Finding the Fourth Proportional to 3,680.44, 5,515.24 and 2,902.32

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Solution

The fourth proportional to 3,680.44, 5,515.24 and 2,902.32 is: 4,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.44 : 5,515.24 = 2,902.32 : x
  2. Step 2: Convert to fraction form
    3,680.44/5,515.24 = 2,902.32/x
  3. Step 3: Cross multiply
    3,680.44x = 5,515.24 × 2,902.32
  4. Step 4: Simplify right side
    3,680.44x = 16,006,991.36
  5. Step 5: Solve for x
    x = 16,006,991.36/3,680.44
  6. Step 6: Final answer
    x = 4,349.21

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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.