Home / 2,992.14-4,128.66-1,733.40

Finding the Fourth Proportional to 2,992.14, 4,128.66 and 1,733.40

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Solution

The fourth proportional to 2,992.14, 4,128.66 and 1,733.40 is: 2,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.14 : 4,128.66 = 1,733.40 : x
  2. Step 2: Convert to fraction form
    2,992.14/4,128.66 = 1,733.40/x
  3. Step 3: Cross multiply
    2,992.14x = 4,128.66 × 1,733.40
  4. Step 4: Simplify right side
    2,992.14x = 7,156,619.24
  5. Step 5: Solve for x
    x = 7,156,619.24/2,992.14
  6. Step 6: Final answer
    x = 2,391.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.