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Finding the Fourth Proportional to 5,929.88, 8,900.19 and 3,158.90

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Solution

The fourth proportional to 5,929.88, 8,900.19 and 3,158.90 is: 4,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.88 : 8,900.19 = 3,158.90 : x
  2. Step 2: Convert to fraction form
    5,929.88/8,900.19 = 3,158.90/x
  3. Step 3: Cross multiply
    5,929.88x = 8,900.19 × 3,158.90
  4. Step 4: Simplify right side
    5,929.88x = 28,114,765.69
  5. Step 5: Solve for x
    x = 28,114,765.69/5,929.88
  6. Step 6: Final answer
    x = 4,741.21

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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.