Home / 3,864.66-5,333.56-2,186.37

Finding the Fourth Proportional to 3,864.66, 5,333.56 and 2,186.37

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Solution

The fourth proportional to 3,864.66, 5,333.56 and 2,186.37 is: 3,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.66 : 5,333.56 = 2,186.37 : x
  2. Step 2: Convert to fraction form
    3,864.66/5,333.56 = 2,186.37/x
  3. Step 3: Cross multiply
    3,864.66x = 5,333.56 × 2,186.37
  4. Step 4: Simplify right side
    3,864.66x = 11,661,108.91
  5. Step 5: Solve for x
    x = 11,661,108.91/3,864.66
  6. Step 6: Final answer
    x = 3,017.37

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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.