Home / 4,622.82-6,935.86-2,157.90

Finding the Fourth Proportional to 4,622.82, 6,935.86 and 2,157.90

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Solution

The fourth proportional to 4,622.82, 6,935.86 and 2,157.90 is: 3,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.82 : 6,935.86 = 2,157.90 : x
  2. Step 2: Convert to fraction form
    4,622.82/6,935.86 = 2,157.90/x
  3. Step 3: Cross multiply
    4,622.82x = 6,935.86 × 2,157.90
  4. Step 4: Simplify right side
    4,622.82x = 14,966,892.29
  5. Step 5: Solve for x
    x = 14,966,892.29/4,622.82
  6. Step 6: Final answer
    x = 3,237.61

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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.