Home / 4,270.27-6,405.39-1,192.27

Finding the Fourth Proportional to 4,270.27, 6,405.39 and 1,192.27

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Solution

The fourth proportional to 4,270.27, 6,405.39 and 1,192.27 is: 1,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.27 : 6,405.39 = 1,192.27 : x
  2. Step 2: Convert to fraction form
    4,270.27/6,405.39 = 1,192.27/x
  3. Step 3: Cross multiply
    4,270.27x = 6,405.39 × 1,192.27
  4. Step 4: Simplify right side
    4,270.27x = 7,636,954.34
  5. Step 5: Solve for x
    x = 7,636,954.34/4,270.27
  6. Step 6: Final answer
    x = 1,788.40

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Similar ratio
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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.