Home / 3,864.91-5,333.51-2,186.25

Finding the Fourth Proportional to 3,864.91, 5,333.51 and 2,186.25

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Solution

The fourth proportional to 3,864.91, 5,333.51 and 2,186.25 is: 3,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.91 : 5,333.51 = 2,186.25 : x
  2. Step 2: Convert to fraction form
    3,864.91/5,333.51 = 2,186.25/x
  3. Step 3: Cross multiply
    3,864.91x = 5,333.51 × 2,186.25
  4. Step 4: Simplify right side
    3,864.91x = 11,660,386.24
  5. Step 5: Solve for x
    x = 11,660,386.24/3,864.91
  6. Step 6: Final answer
    x = 3,016.99

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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.