Home / 3,520.17-4,857.66-2,261.34

Finding the Fourth Proportional to 3,520.17, 4,857.66 and 2,261.34

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Solution

The fourth proportional to 3,520.17, 4,857.66 and 2,261.34 is: 3,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.17 : 4,857.66 = 2,261.34 : x
  2. Step 2: Convert to fraction form
    3,520.17/4,857.66 = 2,261.34/x
  3. Step 3: Cross multiply
    3,520.17x = 4,857.66 × 2,261.34
  4. Step 4: Simplify right side
    3,520.17x = 10,984,820.86
  5. Step 5: Solve for x
    x = 10,984,820.86/3,520.17
  6. Step 6: Final answer
    x = 3,120.54

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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.