Home / 6,029.57-8,319.21-3,905.75

Finding the Fourth Proportional to 6,029.57, 8,319.21 and 3,905.75

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Solution

The fourth proportional to 6,029.57, 8,319.21 and 3,905.75 is: 5,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,029.57 : 8,319.21 = 3,905.75 : x
  2. Step 2: Convert to fraction form
    6,029.57/8,319.21 = 3,905.75/x
  3. Step 3: Cross multiply
    6,029.57x = 8,319.21 × 3,905.75
  4. Step 4: Simplify right side
    6,029.57x = 32,492,760.61
  5. Step 5: Solve for x
    x = 32,492,760.61/6,029.57
  6. Step 6: Final answer
    x = 5,388.90

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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.