Home / 4,228.82-6,342.02-1,631.16

Finding the Fourth Proportional to 4,228.82, 6,342.02 and 1,631.16

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Solution

The fourth proportional to 4,228.82, 6,342.02 and 1,631.16 is: 2,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.82 : 6,342.02 = 1,631.16 : x
  2. Step 2: Convert to fraction form
    4,228.82/6,342.02 = 1,631.16/x
  3. Step 3: Cross multiply
    4,228.82x = 6,342.02 × 1,631.16
  4. Step 4: Simplify right side
    4,228.82x = 10,344,849.34
  5. Step 5: Solve for x
    x = 10,344,849.34/4,228.82
  6. Step 6: Final answer
    x = 2,446.27

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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.