Home / 5,331.12-7,997.52-1,435.68

Finding the Fourth Proportional to 5,331.12, 7,997.52 and 1,435.68

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Solution

The fourth proportional to 5,331.12, 7,997.52 and 1,435.68 is: 2,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.12 : 7,997.52 = 1,435.68 : x
  2. Step 2: Convert to fraction form
    5,331.12/7,997.52 = 1,435.68/x
  3. Step 3: Cross multiply
    5,331.12x = 7,997.52 × 1,435.68
  4. Step 4: Simplify right side
    5,331.12x = 11,481,879.51
  5. Step 5: Solve for x
    x = 11,481,879.51/5,331.12
  6. Step 6: Final answer
    x = 2,153.75

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1.5x scale

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.