Home / 2,586.34-3,879.58-944.11

Finding the Fourth Proportional to 2,586.34, 3,879.58 and 944.11

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Solution

The fourth proportional to 2,586.34, 3,879.58 and 944.11 is: 1,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.34 : 3,879.58 = 944.11 : x
  2. Step 2: Convert to fraction form
    2,586.34/3,879.58 = 944.11/x
  3. Step 3: Cross multiply
    2,586.34x = 3,879.58 × 944.11
  4. Step 4: Simplify right side
    2,586.34x = 3,662,745.55
  5. Step 5: Solve for x
    x = 3,662,745.55/2,586.34
  6. Step 6: Final answer
    x = 1,416.19

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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.