Home / 3,617.01-4,989.60-2,288.43

Finding the Fourth Proportional to 3,617.01, 4,989.60 and 2,288.43

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Solution

The fourth proportional to 3,617.01, 4,989.60 and 2,288.43 is: 3,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.01 : 4,989.60 = 2,288.43 : x
  2. Step 2: Convert to fraction form
    3,617.01/4,989.60 = 2,288.43/x
  3. Step 3: Cross multiply
    3,617.01x = 4,989.60 × 2,288.43
  4. Step 4: Simplify right side
    3,617.01x = 11,418,350.33
  5. Step 5: Solve for x
    x = 11,418,350.33/3,617.01
  6. Step 6: Final answer
    x = 3,156.85

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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.