Home / 5,987.76-8,982.68-1,827.60

Finding the Fourth Proportional to 5,987.76, 8,982.68 and 1,827.60

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Solution

The fourth proportional to 5,987.76, 8,982.68 and 1,827.60 is: 2,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.76 : 8,982.68 = 1,827.60 : x
  2. Step 2: Convert to fraction form
    5,987.76/8,982.68 = 1,827.60/x
  3. Step 3: Cross multiply
    5,987.76x = 8,982.68 × 1,827.60
  4. Step 4: Simplify right side
    5,987.76x = 16,416,745.97
  5. Step 5: Solve for x
    x = 16,416,745.97/5,987.76
  6. Step 6: Final answer
    x = 2,741.72

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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.