Home / 6,616.74-9,131.18-3,591.92

Finding the Fourth Proportional to 6,616.74, 9,131.18 and 3,591.92

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Solution

The fourth proportional to 6,616.74, 9,131.18 and 3,591.92 is: 4,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.74 : 9,131.18 = 3,591.92 : x
  2. Step 2: Convert to fraction form
    6,616.74/9,131.18 = 3,591.92/x
  3. Step 3: Cross multiply
    6,616.74x = 9,131.18 × 3,591.92
  4. Step 4: Simplify right side
    6,616.74x = 32,798,467.46
  5. Step 5: Solve for x
    x = 32,798,467.46/6,616.74
  6. Step 6: Final answer
    x = 4,956.89

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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.