Home / 3,173.58-4,380.21-1,847.07

Finding the Fourth Proportional to 3,173.58, 4,380.21 and 1,847.07

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Solution

The fourth proportional to 3,173.58, 4,380.21 and 1,847.07 is: 2,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.58 : 4,380.21 = 1,847.07 : x
  2. Step 2: Convert to fraction form
    3,173.58/4,380.21 = 1,847.07/x
  3. Step 3: Cross multiply
    3,173.58x = 4,380.21 × 1,847.07
  4. Step 4: Simplify right side
    3,173.58x = 8,090,554.48
  5. Step 5: Solve for x
    x = 8,090,554.48/3,173.58
  6. Step 6: Final answer
    x = 2,549.35

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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.