Home / 5,080.14-7,011.72-2,984.94

Finding the Fourth Proportional to 5,080.14, 7,011.72 and 2,984.94

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Solution

The fourth proportional to 5,080.14, 7,011.72 and 2,984.94 is: 4,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.14 : 7,011.72 = 2,984.94 : x
  2. Step 2: Convert to fraction form
    5,080.14/7,011.72 = 2,984.94/x
  3. Step 3: Cross multiply
    5,080.14x = 7,011.72 × 2,984.94
  4. Step 4: Simplify right side
    5,080.14x = 20,929,563.50
  5. Step 5: Solve for x
    x = 20,929,563.50/5,080.14
  6. Step 6: Final answer
    x = 4,119.88

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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.