Home / 3,864.87-5,333.49-2,186.26

Finding the Fourth Proportional to 3,864.87, 5,333.49 and 2,186.26

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Solution

The fourth proportional to 3,864.87, 5,333.49 and 2,186.26 is: 3,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.87 : 5,333.49 = 2,186.26 : x
  2. Step 2: Convert to fraction form
    3,864.87/5,333.49 = 2,186.26/x
  3. Step 3: Cross multiply
    3,864.87x = 5,333.49 × 2,186.26
  4. Step 4: Simplify right side
    3,864.87x = 11,660,392.23
  5. Step 5: Solve for x
    x = 11,660,392.23/3,864.87
  6. Step 6: Final answer
    x = 3,017.02

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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.