Home / 3,190.29-4,402.13-1,792.77

Finding the Fourth Proportional to 3,190.29, 4,402.13 and 1,792.77

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Solution

The fourth proportional to 3,190.29, 4,402.13 and 1,792.77 is: 2,473.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.29 : 4,402.13 = 1,792.77 : x
  2. Step 2: Convert to fraction form
    3,190.29/4,402.13 = 1,792.77/x
  3. Step 3: Cross multiply
    3,190.29x = 4,402.13 × 1,792.77
  4. Step 4: Simplify right side
    3,190.29x = 7,891,997.64
  5. Step 5: Solve for x
    x = 7,891,997.64/3,190.29
  6. Step 6: Final answer
    x = 2,473.76

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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.