Home / 5,579.91-7,694.06-3,587.72

Finding the Fourth Proportional to 5,579.91, 7,694.06 and 3,587.72

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Solution

The fourth proportional to 5,579.91, 7,694.06 and 3,587.72 is: 4,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.91 : 7,694.06 = 3,587.72 : x
  2. Step 2: Convert to fraction form
    5,579.91/7,694.06 = 3,587.72/x
  3. Step 3: Cross multiply
    5,579.91x = 7,694.06 × 3,587.72
  4. Step 4: Simplify right side
    5,579.91x = 27,604,076.53
  5. Step 5: Solve for x
    x = 27,604,076.53/5,579.91
  6. Step 6: Final answer
    x = 4,947.05

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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.