Home / 5,659.15-7,809.35-3,141.23

Finding the Fourth Proportional to 5,659.15, 7,809.35 and 3,141.23

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Solution

The fourth proportional to 5,659.15, 7,809.35 and 3,141.23 is: 4,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.15 : 7,809.35 = 3,141.23 : x
  2. Step 2: Convert to fraction form
    5,659.15/7,809.35 = 3,141.23/x
  3. Step 3: Cross multiply
    5,659.15x = 7,809.35 × 3,141.23
  4. Step 4: Simplify right side
    5,659.15x = 24,530,964.50
  5. Step 5: Solve for x
    x = 24,530,964.50/5,659.15
  6. Step 6: Final answer
    x = 4,334.74

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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.