Home / 5,872.10-8,103.32-3,219.42

Finding the Fourth Proportional to 5,872.10, 8,103.32 and 3,219.42

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Solution

The fourth proportional to 5,872.10, 8,103.32 and 3,219.42 is: 4,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.10 : 8,103.32 = 3,219.42 : x
  2. Step 2: Convert to fraction form
    5,872.10/8,103.32 = 3,219.42/x
  3. Step 3: Cross multiply
    5,872.10x = 8,103.32 × 3,219.42
  4. Step 4: Simplify right side
    5,872.10x = 26,087,978.26
  5. Step 5: Solve for x
    x = 26,087,978.26/5,872.10
  6. Step 6: Final answer
    x = 4,442.70

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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.