Home / 5,235.21-7,224.89-2,997.77

Finding the Fourth Proportional to 5,235.21, 7,224.89 and 2,997.77

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Solution

The fourth proportional to 5,235.21, 7,224.89 and 2,997.77 is: 4,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.21 : 7,224.89 = 2,997.77 : x
  2. Step 2: Convert to fraction form
    5,235.21/7,224.89 = 2,997.77/x
  3. Step 3: Cross multiply
    5,235.21x = 7,224.89 × 2,997.77
  4. Step 4: Simplify right side
    5,235.21x = 21,658,507.38
  5. Step 5: Solve for x
    x = 21,658,507.38/5,235.21
  6. Step 6: Final answer
    x = 4,137.08

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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.