Home / 3,864.19-5,332.70-2,185.56

Finding the Fourth Proportional to 3,864.19, 5,332.70 and 2,185.56

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Solution

The fourth proportional to 3,864.19, 5,332.70 and 2,185.56 is: 3,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.19 : 5,332.70 = 2,185.56 : x
  2. Step 2: Convert to fraction form
    3,864.19/5,332.70 = 2,185.56/x
  3. Step 3: Cross multiply
    3,864.19x = 5,332.70 × 2,185.56
  4. Step 4: Simplify right side
    3,864.19x = 11,654,949.28
  5. Step 5: Solve for x
    x = 11,654,949.28/3,864.19
  6. Step 6: Final answer
    x = 3,016.14

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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.