Home / 5,080.44-7,011.36-2,842.50

Finding the Fourth Proportional to 5,080.44, 7,011.36 and 2,842.50

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Solution

The fourth proportional to 5,080.44, 7,011.36 and 2,842.50 is: 3,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.44 : 7,011.36 = 2,842.50 : x
  2. Step 2: Convert to fraction form
    5,080.44/7,011.36 = 2,842.50/x
  3. Step 3: Cross multiply
    5,080.44x = 7,011.36 × 2,842.50
  4. Step 4: Simplify right side
    5,080.44x = 19,929,790.80
  5. Step 5: Solve for x
    x = 19,929,790.80/5,080.44
  6. Step 6: Final answer
    x = 3,922.85

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1.5x scale

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.