Home / 3,117.25-4,674.50-1,168.09

Finding the Fourth Proportional to 3,117.25, 4,674.50 and 1,168.09

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Solution

The fourth proportional to 3,117.25, 4,674.50 and 1,168.09 is: 1,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.25 : 4,674.50 = 1,168.09 : x
  2. Step 2: Convert to fraction form
    3,117.25/4,674.50 = 1,168.09/x
  3. Step 3: Cross multiply
    3,117.25x = 4,674.50 × 1,168.09
  4. Step 4: Simplify right side
    3,117.25x = 5,460,227.94
  5. Step 5: Solve for x
    x = 5,460,227.94/3,117.25
  6. Step 6: Final answer
    x = 1,751.62

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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.