Home / 3,864.15-5,332.57-2,185.58

Finding the Fourth Proportional to 3,864.15, 5,332.57 and 2,185.58

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Solution

The fourth proportional to 3,864.15, 5,332.57 and 2,185.58 is: 3,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.15 : 5,332.57 = 2,185.58 : x
  2. Step 2: Convert to fraction form
    3,864.15/5,332.57 = 2,185.58/x
  3. Step 3: Cross multiply
    3,864.15x = 5,332.57 × 2,185.58
  4. Step 4: Simplify right side
    3,864.15x = 11,654,726.21
  5. Step 5: Solve for x
    x = 11,654,726.21/3,864.15
  6. Step 6: Final answer
    x = 3,016.12

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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.