Home / 3,518.25-4,855.20-1,924.92

Finding the Fourth Proportional to 3,518.25, 4,855.20 and 1,924.92

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Solution

The fourth proportional to 3,518.25, 4,855.20 and 1,924.92 is: 2,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.25 : 4,855.20 = 1,924.92 : x
  2. Step 2: Convert to fraction form
    3,518.25/4,855.20 = 1,924.92/x
  3. Step 3: Cross multiply
    3,518.25x = 4,855.20 × 1,924.92
  4. Step 4: Simplify right side
    3,518.25x = 9,345,871.58
  5. Step 5: Solve for x
    x = 9,345,871.58/3,518.25
  6. Step 6: Final answer
    x = 2,656.40

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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.