Home / 3,369.14-4,649.34-1,856.76

Finding the Fourth Proportional to 3,369.14, 4,649.34 and 1,856.76

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Solution

The fourth proportional to 3,369.14, 4,649.34 and 1,856.76 is: 2,562.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.14 : 4,649.34 = 1,856.76 : x
  2. Step 2: Convert to fraction form
    3,369.14/4,649.34 = 1,856.76/x
  3. Step 3: Cross multiply
    3,369.14x = 4,649.34 × 1,856.76
  4. Step 4: Simplify right side
    3,369.14x = 8,632,708.54
  5. Step 5: Solve for x
    x = 8,632,708.54/3,369.14
  6. Step 6: Final answer
    x = 2,562.29

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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.