Home / 3,348.29-4,620.68-1,856.22

Finding the Fourth Proportional to 3,348.29, 4,620.68 and 1,856.22

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Solution

The fourth proportional to 3,348.29, 4,620.68 and 1,856.22 is: 2,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.29 : 4,620.68 = 1,856.22 : x
  2. Step 2: Convert to fraction form
    3,348.29/4,620.68 = 1,856.22/x
  3. Step 3: Cross multiply
    3,348.29x = 4,620.68 × 1,856.22
  4. Step 4: Simplify right side
    3,348.29x = 8,576,989.35
  5. Step 5: Solve for x
    x = 8,576,989.35/3,348.29
  6. Step 6: Final answer
    x = 2,561.61

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Double scale
Find fourth proportional to 3,349.29, 4,622.06 and 1,857.22
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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.