Home / 3,160.51-4,741.32-1,080.03

Finding the Fourth Proportional to 3,160.51, 4,741.32 and 1,080.03

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Solution

The fourth proportional to 3,160.51, 4,741.32 and 1,080.03 is: 1,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.51 : 4,741.32 = 1,080.03 : x
  2. Step 2: Convert to fraction form
    3,160.51/4,741.32 = 1,080.03/x
  3. Step 3: Cross multiply
    3,160.51x = 4,741.32 × 1,080.03
  4. Step 4: Simplify right side
    3,160.51x = 5,120,754.11
  5. Step 5: Solve for x
    x = 5,120,754.11/3,160.51
  6. Step 6: Final answer
    x = 1,620.23

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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.