Home / 2,192.76-3,289.14-1,167.48

Finding the Fourth Proportional to 2,192.76, 3,289.14 and 1,167.48

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Solution

The fourth proportional to 2,192.76, 3,289.14 and 1,167.48 is: 1,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.76 : 3,289.14 = 1,167.48 : x
  2. Step 2: Convert to fraction form
    2,192.76/3,289.14 = 1,167.48/x
  3. Step 3: Cross multiply
    2,192.76x = 3,289.14 × 1,167.48
  4. Step 4: Simplify right side
    2,192.76x = 3,840,005.17
  5. Step 5: Solve for x
    x = 3,840,005.17/2,192.76
  6. Step 6: Final answer
    x = 1,751.22

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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.