Home / 4,987.43-7,480.94-2,064.95

Finding the Fourth Proportional to 4,987.43, 7,480.94 and 2,064.95

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Solution

The fourth proportional to 4,987.43, 7,480.94 and 2,064.95 is: 3,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.43 : 7,480.94 = 2,064.95 : x
  2. Step 2: Convert to fraction form
    4,987.43/7,480.94 = 2,064.95/x
  3. Step 3: Cross multiply
    4,987.43x = 7,480.94 × 2,064.95
  4. Step 4: Simplify right side
    4,987.43x = 15,447,767.05
  5. Step 5: Solve for x
    x = 15,447,767.05/4,987.43
  6. Step 6: Final answer
    x = 3,097.34

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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.