Home / 3,864.41-5,332.33-2,185.58

Finding the Fourth Proportional to 3,864.41, 5,332.33 and 2,185.58

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Solution

The fourth proportional to 3,864.41, 5,332.33 and 2,185.58 is: 3,015.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.41 : 5,332.33 = 2,185.58 : x
  2. Step 2: Convert to fraction form
    3,864.41/5,332.33 = 2,185.58/x
  3. Step 3: Cross multiply
    3,864.41x = 5,332.33 × 2,185.58
  4. Step 4: Simplify right side
    3,864.41x = 11,654,249.86
  5. Step 5: Solve for x
    x = 11,654,249.86/3,864.41
  6. Step 6: Final answer
    x = 3,015.79

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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.