Home / 3,348.39-4,620.75-1,856.30

Finding the Fourth Proportional to 3,348.39, 4,620.75 and 1,856.30

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Solution

The fourth proportional to 3,348.39, 4,620.75 and 1,856.30 is: 2,561.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.39 : 4,620.75 = 1,856.30 : x
  2. Step 2: Convert to fraction form
    3,348.39/4,620.75 = 1,856.30/x
  3. Step 3: Cross multiply
    3,348.39x = 4,620.75 × 1,856.30
  4. Step 4: Simplify right side
    3,348.39x = 8,577,509.78
  5. Step 5: Solve for x
    x = 8,577,509.78/3,348.39
  6. Step 6: Final answer
    x = 2,561.69

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Half scale
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Double scale
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Similar ratio
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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.