Home / 5,856.14-8,079.21-3,731.30

Finding the Fourth Proportional to 5,856.14, 8,079.21 and 3,731.30

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Solution

The fourth proportional to 5,856.14, 8,079.21 and 3,731.30 is: 5,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.14 : 8,079.21 = 3,731.30 : x
  2. Step 2: Convert to fraction form
    5,856.14/8,079.21 = 3,731.30/x
  3. Step 3: Cross multiply
    5,856.14x = 8,079.21 × 3,731.30
  4. Step 4: Simplify right side
    5,856.14x = 30,145,915.88
  5. Step 5: Solve for x
    x = 30,145,915.88/5,856.14
  6. Step 6: Final answer
    x = 5,147.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.