Home / 3,475.16-5,213.71-1,396.62

Finding the Fourth Proportional to 3,475.16, 5,213.71 and 1,396.62

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Solution

The fourth proportional to 3,475.16, 5,213.71 and 1,396.62 is: 2,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.16 : 5,213.71 = 1,396.62 : x
  2. Step 2: Convert to fraction form
    3,475.16/5,213.71 = 1,396.62/x
  3. Step 3: Cross multiply
    3,475.16x = 5,213.71 × 1,396.62
  4. Step 4: Simplify right side
    3,475.16x = 7,281,571.66
  5. Step 5: Solve for x
    x = 7,281,571.66/3,475.16
  6. Step 6: Final answer
    x = 2,095.32

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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.