Home / 5,080.23-7,010.68-2,955.80

Finding the Fourth Proportional to 5,080.23, 7,010.68 and 2,955.80

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Solution

The fourth proportional to 5,080.23, 7,010.68 and 2,955.80 is: 4,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.23 : 7,010.68 = 2,955.80 : x
  2. Step 2: Convert to fraction form
    5,080.23/7,010.68 = 2,955.80/x
  3. Step 3: Cross multiply
    5,080.23x = 7,010.68 × 2,955.80
  4. Step 4: Simplify right side
    5,080.23x = 20,722,167.94
  5. Step 5: Solve for x
    x = 20,722,167.94/5,080.23
  6. Step 6: Final answer
    x = 4,078.98

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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.