Home / 6,282.30-9,412.35-3,812.10

Finding the Fourth Proportional to 6,282.30, 9,412.35 and 3,812.10

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Solution

The fourth proportional to 6,282.30, 9,412.35 and 3,812.10 is: 5,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,282.30 : 9,412.35 = 3,812.10 : x
  2. Step 2: Convert to fraction form
    6,282.30/9,412.35 = 3,812.10/x
  3. Step 3: Cross multiply
    6,282.30x = 9,412.35 × 3,812.10
  4. Step 4: Simplify right side
    6,282.30x = 35,880,819.44
  5. Step 5: Solve for x
    x = 35,880,819.44/6,282.30
  6. Step 6: Final answer
    x = 5,711.41

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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.