Home / 5,587.23-8,380.86-1,691.67

Finding the Fourth Proportional to 5,587.23, 8,380.86 and 1,691.67

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Solution

The fourth proportional to 5,587.23, 8,380.86 and 1,691.67 is: 2,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.23 : 8,380.86 = 1,691.67 : x
  2. Step 2: Convert to fraction form
    5,587.23/8,380.86 = 1,691.67/x
  3. Step 3: Cross multiply
    5,587.23x = 8,380.86 × 1,691.67
  4. Step 4: Simplify right side
    5,587.23x = 14,177,649.44
  5. Step 5: Solve for x
    x = 14,177,649.44/5,587.23
  6. Step 6: Final answer
    x = 2,537.51

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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.