Home / 4,589.26-6,878.62-2,087.76

Finding the Fourth Proportional to 4,589.26, 6,878.62 and 2,087.76

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Solution

The fourth proportional to 4,589.26, 6,878.62 and 2,087.76 is: 3,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589.26 : 6,878.62 = 2,087.76 : x
  2. Step 2: Convert to fraction form
    4,589.26/6,878.62 = 2,087.76/x
  3. Step 3: Cross multiply
    4,589.26x = 6,878.62 × 2,087.76
  4. Step 4: Simplify right side
    4,589.26x = 14,360,907.69
  5. Step 5: Solve for x
    x = 14,360,907.69/4,589.26
  6. Step 6: Final answer
    x = 3,129.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.