Home / 4,081.62-5,631.65-2,589.00

Finding the Fourth Proportional to 4,081.62, 5,631.65 and 2,589.00

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Solution

The fourth proportional to 4,081.62, 5,631.65 and 2,589.00 is: 3,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.62 : 5,631.65 = 2,589.00 : x
  2. Step 2: Convert to fraction form
    4,081.62/5,631.65 = 2,589.00/x
  3. Step 3: Cross multiply
    4,081.62x = 5,631.65 × 2,589.00
  4. Step 4: Simplify right side
    4,081.62x = 14,580,313.69
  5. Step 5: Solve for x
    x = 14,580,313.69/4,081.62
  6. Step 6: Final answer
    x = 3,572.19

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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.