Home / 5,659.20-7,809.57-3,141.29

Finding the Fourth Proportional to 5,659.20, 7,809.57 and 3,141.29

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Solution

The fourth proportional to 5,659.20, 7,809.57 and 3,141.29 is: 4,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.20 : 7,809.57 = 3,141.29 : x
  2. Step 2: Convert to fraction form
    5,659.20/7,809.57 = 3,141.29/x
  3. Step 3: Cross multiply
    5,659.20x = 7,809.57 × 3,141.29
  4. Step 4: Simplify right side
    5,659.20x = 24,532,124.15
  5. Step 5: Solve for x
    x = 24,532,124.15/5,659.20
  6. Step 6: Final answer
    x = 4,334.91

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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.