Home / 4,905.10-6,771.27-3,490.03

Finding the Fourth Proportional to 4,905.10, 6,771.27 and 3,490.03

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Solution

The fourth proportional to 4,905.10, 6,771.27 and 3,490.03 is: 4,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.10 : 6,771.27 = 3,490.03 : x
  2. Step 2: Convert to fraction form
    4,905.10/6,771.27 = 3,490.03/x
  3. Step 3: Cross multiply
    4,905.10x = 6,771.27 × 3,490.03
  4. Step 4: Simplify right side
    4,905.10x = 23,631,935.44
  5. Step 5: Solve for x
    x = 23,631,935.44/4,905.10
  6. Step 6: Final answer
    x = 4,817.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.