Home / 5,586.46-8,380.77-2,123.44

Finding the Fourth Proportional to 5,586.46, 8,380.77 and 2,123.44

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Solution

The fourth proportional to 5,586.46, 8,380.77 and 2,123.44 is: 3,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.46 : 8,380.77 = 2,123.44 : x
  2. Step 2: Convert to fraction form
    5,586.46/8,380.77 = 2,123.44/x
  3. Step 3: Cross multiply
    5,586.46x = 8,380.77 × 2,123.44
  4. Step 4: Simplify right side
    5,586.46x = 17,796,051.63
  5. Step 5: Solve for x
    x = 17,796,051.63/5,586.46
  6. Step 6: Final answer
    x = 3,185.57

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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.