Home / 5,235.12-7,224.82-2,997.72

Finding the Fourth Proportional to 5,235.12, 7,224.82 and 2,997.72

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Solution

The fourth proportional to 5,235.12, 7,224.82 and 2,997.72 is: 4,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.12 : 7,224.82 = 2,997.72 : x
  2. Step 2: Convert to fraction form
    5,235.12/7,224.82 = 2,997.72/x
  3. Step 3: Cross multiply
    5,235.12x = 7,224.82 × 2,997.72
  4. Step 4: Simplify right side
    5,235.12x = 21,657,987.41
  5. Step 5: Solve for x
    x = 21,657,987.41/5,235.12
  6. Step 6: Final answer
    x = 4,137.06

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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.