Home / 4,987.17-7,481.97-2,214.74

Finding the Fourth Proportional to 4,987.17, 7,481.97 and 2,214.74

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Solution

The fourth proportional to 4,987.17, 7,481.97 and 2,214.74 is: 3,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.17 : 7,481.97 = 2,214.74 : x
  2. Step 2: Convert to fraction form
    4,987.17/7,481.97 = 2,214.74/x
  3. Step 3: Cross multiply
    4,987.17x = 7,481.97 × 2,214.74
  4. Step 4: Simplify right side
    4,987.17x = 16,570,636.94
  5. Step 5: Solve for x
    x = 16,570,636.94/4,987.17
  6. Step 6: Final answer
    x = 3,322.65

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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.