Home / 5,121.57-7,068.08-2,997.14

Finding the Fourth Proportional to 5,121.57, 7,068.08 and 2,997.14

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Solution

The fourth proportional to 5,121.57, 7,068.08 and 2,997.14 is: 4,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.57 : 7,068.08 = 2,997.14 : x
  2. Step 2: Convert to fraction form
    5,121.57/7,068.08 = 2,997.14/x
  3. Step 3: Cross multiply
    5,121.57x = 7,068.08 × 2,997.14
  4. Step 4: Simplify right side
    5,121.57x = 21,184,050.45
  5. Step 5: Solve for x
    x = 21,184,050.45/5,121.57
  6. Step 6: Final answer
    x = 4,136.24

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