Home / 6,675.99-9,212.64-3,691.79

Finding the Fourth Proportional to 6,675.99, 9,212.64 and 3,691.79

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Solution

The fourth proportional to 6,675.99, 9,212.64 and 3,691.79 is: 5,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.99 : 9,212.64 = 3,691.79 : x
  2. Step 2: Convert to fraction form
    6,675.99/9,212.64 = 3,691.79/x
  3. Step 3: Cross multiply
    6,675.99x = 9,212.64 × 3,691.79
  4. Step 4: Simplify right side
    6,675.99x = 34,011,158.69
  5. Step 5: Solve for x
    x = 34,011,158.69/6,675.99
  6. Step 6: Final answer
    x = 5,094.55

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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.