Home / 6,424.22-8,865.39-3,591.59

Finding the Fourth Proportional to 6,424.22, 8,865.39 and 3,591.59

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Solution

The fourth proportional to 6,424.22, 8,865.39 and 3,591.59 is: 4,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.22 : 8,865.39 = 3,591.59 : x
  2. Step 2: Convert to fraction form
    6,424.22/8,865.39 = 3,591.59/x
  3. Step 3: Cross multiply
    6,424.22x = 8,865.39 × 3,591.59
  4. Step 4: Simplify right side
    6,424.22x = 31,840,801.74
  5. Step 5: Solve for x
    x = 31,840,801.74/6,424.22
  6. Step 6: Final answer
    x = 4,956.37

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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.