Home / 3,476.28-5,214.42-1,424.28

Finding the Fourth Proportional to 3,476.28, 5,214.42 and 1,424.28

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Solution

The fourth proportional to 3,476.28, 5,214.42 and 1,424.28 is: 2,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.28 : 5,214.42 = 1,424.28 : x
  2. Step 2: Convert to fraction form
    3,476.28/5,214.42 = 1,424.28/x
  3. Step 3: Cross multiply
    3,476.28x = 5,214.42 × 1,424.28
  4. Step 4: Simplify right side
    3,476.28x = 7,426,794.12
  5. Step 5: Solve for x
    x = 7,426,794.12/3,476.28
  6. Step 6: Final answer
    x = 2,136.42

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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.