Home / 7,410.51-11,115.77-2,480.04

Finding the Fourth Proportional to 7,410.51, 11,115.77 and 2,480.04

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Solution

The fourth proportional to 7,410.51, 11,115.77 and 2,480.04 is: 3,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.51 : 11,115.77 = 2,480.04 : x
  2. Step 2: Convert to fraction form
    7,410.51/11,115.77 = 2,480.04/x
  3. Step 3: Cross multiply
    7,410.51x = 11,115.77 × 2,480.04
  4. Step 4: Simplify right side
    7,410.51x = 27,567,541.83
  5. Step 5: Solve for x
    x = 27,567,541.83/7,410.51
  6. Step 6: Final answer
    x = 3,720.06

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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.