Home / 5,080.72-7,620.96-2,614.08

Finding the Fourth Proportional to 5,080.72, 7,620.96 and 2,614.08

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Solution

The fourth proportional to 5,080.72, 7,620.96 and 2,614.08 is: 3,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.72 : 7,620.96 = 2,614.08 : x
  2. Step 2: Convert to fraction form
    5,080.72/7,620.96 = 2,614.08/x
  3. Step 3: Cross multiply
    5,080.72x = 7,620.96 × 2,614.08
  4. Step 4: Simplify right side
    5,080.72x = 19,921,799.12
  5. Step 5: Solve for x
    x = 19,921,799.12/5,080.72
  6. Step 6: Final answer
    x = 3,921.06

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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.