Home / 2,997.03-4,137.84-2,099.16

Finding the Fourth Proportional to 2,997.03, 4,137.84 and 2,099.16

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Solution

The fourth proportional to 2,997.03, 4,137.84 and 2,099.16 is: 2,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.03 : 4,137.84 = 2,099.16 : x
  2. Step 2: Convert to fraction form
    2,997.03/4,137.84 = 2,099.16/x
  3. Step 3: Cross multiply
    2,997.03x = 4,137.84 × 2,099.16
  4. Step 4: Simplify right side
    2,997.03x = 8,685,988.21
  5. Step 5: Solve for x
    x = 8,685,988.21/2,997.03
  6. Step 6: Final answer
    x = 2,898.20

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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.