Home / 2,961.92-4,088.12-1,703.61

Finding the Fourth Proportional to 2,961.92, 4,088.12 and 1,703.61

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Solution

The fourth proportional to 2,961.92, 4,088.12 and 1,703.61 is: 2,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.92 : 4,088.12 = 1,703.61 : x
  2. Step 2: Convert to fraction form
    2,961.92/4,088.12 = 1,703.61/x
  3. Step 3: Cross multiply
    2,961.92x = 4,088.12 × 1,703.61
  4. Step 4: Simplify right side
    2,961.92x = 6,964,553.60
  5. Step 5: Solve for x
    x = 6,964,553.60/2,961.92
  6. Step 6: Final answer
    x = 2,351.37

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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.