Home / 5,181.76-7,112.57-4,609.70

Finding the Fourth Proportional to 5,181.76, 7,112.57 and 4,609.70

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Solution

The fourth proportional to 5,181.76, 7,112.57 and 4,609.70 is: 6,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.76 : 7,112.57 = 4,609.70 : x
  2. Step 2: Convert to fraction form
    5,181.76/7,112.57 = 4,609.70/x
  3. Step 3: Cross multiply
    5,181.76x = 7,112.57 × 4,609.70
  4. Step 4: Simplify right side
    5,181.76x = 32,786,813.93
  5. Step 5: Solve for x
    x = 32,786,813.93/5,181.76
  6. Step 6: Final answer
    x = 6,327.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.