Home / 3,348.48-4,620.83-1,856.38

Finding the Fourth Proportional to 3,348.48, 4,620.83 and 1,856.38

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Solution

The fourth proportional to 3,348.48, 4,620.83 and 1,856.38 is: 2,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.48 : 4,620.83 = 1,856.38 : x
  2. Step 2: Convert to fraction form
    3,348.48/4,620.83 = 1,856.38/x
  3. Step 3: Cross multiply
    3,348.48x = 4,620.83 × 1,856.38
  4. Step 4: Simplify right side
    3,348.48x = 8,578,007.11
  5. Step 5: Solve for x
    x = 8,578,007.11/3,348.48
  6. Step 6: Final answer
    x = 2,561.77

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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.