Home / 3,940.18-5,908.54-1,167.07

Finding the Fourth Proportional to 3,940.18, 5,908.54 and 1,167.07

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Solution

The fourth proportional to 3,940.18, 5,908.54 and 1,167.07 is: 1,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.18 : 5,908.54 = 1,167.07 : x
  2. Step 2: Convert to fraction form
    3,940.18/5,908.54 = 1,167.07/x
  3. Step 3: Cross multiply
    3,940.18x = 5,908.54 × 1,167.07
  4. Step 4: Simplify right side
    3,940.18x = 6,895,679.78
  5. Step 5: Solve for x
    x = 6,895,679.78/3,940.18
  6. Step 6: Final answer
    x = 1,750.09

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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.