Home / 4,108.92-5,670.54-2,431.31

Finding the Fourth Proportional to 4,108.92, 5,670.54 and 2,431.31

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Solution

The fourth proportional to 4,108.92, 5,670.54 and 2,431.31 is: 3,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.92 : 5,670.54 = 2,431.31 : x
  2. Step 2: Convert to fraction form
    4,108.92/5,670.54 = 2,431.31/x
  3. Step 3: Cross multiply
    4,108.92x = 5,670.54 × 2,431.31
  4. Step 4: Simplify right side
    4,108.92x = 13,786,812.25
  5. Step 5: Solve for x
    x = 13,786,812.25/4,108.92
  6. Step 6: Final answer
    x = 3,355.34

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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.