Home / 3,691.76-5,538.45-1,226.93

Finding the Fourth Proportional to 3,691.76, 5,538.45 and 1,226.93

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Solution

The fourth proportional to 3,691.76, 5,538.45 and 1,226.93 is: 1,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.76 : 5,538.45 = 1,226.93 : x
  2. Step 2: Convert to fraction form
    3,691.76/5,538.45 = 1,226.93/x
  3. Step 3: Cross multiply
    3,691.76x = 5,538.45 × 1,226.93
  4. Step 4: Simplify right side
    3,691.76x = 6,795,290.46
  5. Step 5: Solve for x
    x = 6,795,290.46/3,691.76
  6. Step 6: Final answer
    x = 1,840.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.