Home / 5,074.87-7,003.59-2,836.75

Finding the Fourth Proportional to 5,074.87, 7,003.59 and 2,836.75

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Solution

The fourth proportional to 5,074.87, 7,003.59 and 2,836.75 is: 3,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.87 : 7,003.59 = 2,836.75 : x
  2. Step 2: Convert to fraction form
    5,074.87/7,003.59 = 2,836.75/x
  3. Step 3: Cross multiply
    5,074.87x = 7,003.59 × 2,836.75
  4. Step 4: Simplify right side
    5,074.87x = 19,867,433.93
  5. Step 5: Solve for x
    x = 19,867,433.93/5,074.87
  6. Step 6: Final answer
    x = 3,914.87

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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.