Home / 3,950.50-5,926.31-1,178.02

Finding the Fourth Proportional to 3,950.50, 5,926.31 and 1,178.02

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Solution

The fourth proportional to 3,950.50, 5,926.31 and 1,178.02 is: 1,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.50 : 5,926.31 = 1,178.02 : x
  2. Step 2: Convert to fraction form
    3,950.50/5,926.31 = 1,178.02/x
  3. Step 3: Cross multiply
    3,950.50x = 5,926.31 × 1,178.02
  4. Step 4: Simplify right side
    3,950.50x = 6,981,307.60
  5. Step 5: Solve for x
    x = 6,981,307.60/3,950.50
  6. Step 6: Final answer
    x = 1,767.20

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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.