Home / 4,087.92-5,641-2,319.82

Finding the Fourth Proportional to 4,087.92, 5,641 and 2,319.82

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Solution

The fourth proportional to 4,087.92, 5,641 and 2,319.82 is: 3,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.92 : 5,641 = 2,319.82 : x
  2. Step 2: Convert to fraction form
    4,087.92/5,641 = 2,319.82/x
  3. Step 3: Cross multiply
    4,087.92x = 5,641 × 2,319.82
  4. Step 4: Simplify right side
    4,087.92x = 13,086,104.62
  5. Step 5: Solve for x
    x = 13,086,104.62/4,087.92
  6. Step 6: Final answer
    x = 3,201.16

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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.