Home / 3,658.82-5,487.02-1,192.98

Finding the Fourth Proportional to 3,658.82, 5,487.02 and 1,192.98

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Solution

The fourth proportional to 3,658.82, 5,487.02 and 1,192.98 is: 1,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.82 : 5,487.02 = 1,192.98 : x
  2. Step 2: Convert to fraction form
    3,658.82/5,487.02 = 1,192.98/x
  3. Step 3: Cross multiply
    3,658.82x = 5,487.02 × 1,192.98
  4. Step 4: Simplify right side
    3,658.82x = 6,545,905.12
  5. Step 5: Solve for x
    x = 6,545,905.12/3,658.82
  6. Step 6: Final answer
    x = 1,789.08

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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.