Home / 4,768.56-7,156.98-1,997.10

Finding the Fourth Proportional to 4,768.56, 7,156.98 and 1,997.10

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Solution

The fourth proportional to 4,768.56, 7,156.98 and 1,997.10 is: 2,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.56 : 7,156.98 = 1,997.10 : x
  2. Step 2: Convert to fraction form
    4,768.56/7,156.98 = 1,997.10/x
  3. Step 3: Cross multiply
    4,768.56x = 7,156.98 × 1,997.10
  4. Step 4: Simplify right side
    4,768.56x = 14,293,204.76
  5. Step 5: Solve for x
    x = 14,293,204.76/4,768.56
  6. Step 6: Final answer
    x = 2,997.38

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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.