Home / 4,261.12-5,878.79-2,581.32

Finding the Fourth Proportional to 4,261.12, 5,878.79 and 2,581.32

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Solution

The fourth proportional to 4,261.12, 5,878.79 and 2,581.32 is: 3,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.12 : 5,878.79 = 2,581.32 : x
  2. Step 2: Convert to fraction form
    4,261.12/5,878.79 = 2,581.32/x
  3. Step 3: Cross multiply
    4,261.12x = 5,878.79 × 2,581.32
  4. Step 4: Simplify right side
    4,261.12x = 15,174,995.90
  5. Step 5: Solve for x
    x = 15,174,995.90/4,261.12
  6. Step 6: Final answer
    x = 3,561.27

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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.