Home / 5,872.17-8,103.52-3,219.58

Finding the Fourth Proportional to 5,872.17, 8,103.52 and 3,219.58

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Solution

The fourth proportional to 5,872.17, 8,103.52 and 3,219.58 is: 4,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.17 : 8,103.52 = 3,219.58 : x
  2. Step 2: Convert to fraction form
    5,872.17/8,103.52 = 3,219.58/x
  3. Step 3: Cross multiply
    5,872.17x = 8,103.52 × 3,219.58
  4. Step 4: Simplify right side
    5,872.17x = 26,089,930.92
  5. Step 5: Solve for x
    x = 26,089,930.92/5,872.17
  6. Step 6: Final answer
    x = 4,442.98

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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.