Home / 4,160.86-5,739.82-2,816.51

Finding the Fourth Proportional to 4,160.86, 5,739.82 and 2,816.51

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Solution

The fourth proportional to 4,160.86, 5,739.82 and 2,816.51 is: 3,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.86 : 5,739.82 = 2,816.51 : x
  2. Step 2: Convert to fraction form
    4,160.86/5,739.82 = 2,816.51/x
  3. Step 3: Cross multiply
    4,160.86x = 5,739.82 × 2,816.51
  4. Step 4: Simplify right side
    4,160.86x = 16,166,260.43
  5. Step 5: Solve for x
    x = 16,166,260.43/4,160.86
  6. Step 6: Final answer
    x = 3,885.32

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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.