Home / 3,105.55-4,285.18-1,846.58

Finding the Fourth Proportional to 3,105.55, 4,285.18 and 1,846.58

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Solution

The fourth proportional to 3,105.55, 4,285.18 and 1,846.58 is: 2,548.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.55 : 4,285.18 = 1,846.58 : x
  2. Step 2: Convert to fraction form
    3,105.55/4,285.18 = 1,846.58/x
  3. Step 3: Cross multiply
    3,105.55x = 4,285.18 × 1,846.58
  4. Step 4: Simplify right side
    3,105.55x = 7,912,927.68
  5. Step 5: Solve for x
    x = 7,912,927.68/3,105.55
  6. Step 6: Final answer
    x = 2,548.00

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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.