Home / 3,832.13-5,288.36-2,153.54

Finding the Fourth Proportional to 3,832.13, 5,288.36 and 2,153.54

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Solution

The fourth proportional to 3,832.13, 5,288.36 and 2,153.54 is: 2,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.13 : 5,288.36 = 2,153.54 : x
  2. Step 2: Convert to fraction form
    3,832.13/5,288.36 = 2,153.54/x
  3. Step 3: Cross multiply
    3,832.13x = 5,288.36 × 2,153.54
  4. Step 4: Simplify right side
    3,832.13x = 11,388,657.58
  5. Step 5: Solve for x
    x = 11,388,657.58/3,832.13
  6. Step 6: Final answer
    x = 2,971.89

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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.