Home / 3,520.22-4,855.17-2,457.63

Finding the Fourth Proportional to 3,520.22, 4,855.17 and 2,457.63

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Solution

The fourth proportional to 3,520.22, 4,855.17 and 2,457.63 is: 3,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.22 : 4,855.17 = 2,457.63 : x
  2. Step 2: Convert to fraction form
    3,520.22/4,855.17 = 2,457.63/x
  3. Step 3: Cross multiply
    3,520.22x = 4,855.17 × 2,457.63
  4. Step 4: Simplify right side
    3,520.22x = 11,932,211.45
  5. Step 5: Solve for x
    x = 11,932,211.45/3,520.22
  6. Step 6: Final answer
    x = 3,389.63

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Half scale
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Double scale
Find fourth proportional to 3,521.22, 4,856.55 and 2,458.63
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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.