Home / 3,863.52-5,330.39-2,184.77

Finding the Fourth Proportional to 3,863.52, 5,330.39 and 2,184.77

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Solution

The fourth proportional to 3,863.52, 5,330.39 and 2,184.77 is: 3,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.52 : 5,330.39 = 2,184.77 : x
  2. Step 2: Convert to fraction form
    3,863.52/5,330.39 = 2,184.77/x
  3. Step 3: Cross multiply
    3,863.52x = 5,330.39 × 2,184.77
  4. Step 4: Simplify right side
    3,863.52x = 11,645,638.58
  5. Step 5: Solve for x
    x = 11,645,638.58/3,863.52
  6. Step 6: Final answer
    x = 3,014.26

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Half scale
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Double scale
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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.