Home / 5,080.83-7,011.55-2,842.85

Finding the Fourth Proportional to 5,080.83, 7,011.55 and 2,842.85

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Solution

The fourth proportional to 5,080.83, 7,011.55 and 2,842.85 is: 3,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.83 : 7,011.55 = 2,842.85 : x
  2. Step 2: Convert to fraction form
    5,080.83/7,011.55 = 2,842.85/x
  3. Step 3: Cross multiply
    5,080.83x = 7,011.55 × 2,842.85
  4. Step 4: Simplify right side
    5,080.83x = 19,932,750.57
  5. Step 5: Solve for x
    x = 19,932,750.57/5,080.83
  6. Step 6: Final answer
    x = 3,923.13

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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.