Home / 8,057.44-12,087.56-2,720.08

Finding the Fourth Proportional to 8,057.44, 12,087.56 and 2,720.08

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Solution

The fourth proportional to 8,057.44, 12,087.56 and 2,720.08 is: 4,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.44 : 12,087.56 = 2,720.08 : x
  2. Step 2: Convert to fraction form
    8,057.44/12,087.56 = 2,720.08/x
  3. Step 3: Cross multiply
    8,057.44x = 12,087.56 × 2,720.08
  4. Step 4: Simplify right side
    8,057.44x = 32,879,130.20
  5. Step 5: Solve for x
    x = 32,879,130.20/8,057.44
  6. Step 6: Final answer
    x = 4,080.59

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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.