Home / 3,863.13-5,792.14-1,397.63

Finding the Fourth Proportional to 3,863.13, 5,792.14 and 1,397.63

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Solution

The fourth proportional to 3,863.13, 5,792.14 and 1,397.63 is: 2,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.13 : 5,792.14 = 1,397.63 : x
  2. Step 2: Convert to fraction form
    3,863.13/5,792.14 = 1,397.63/x
  3. Step 3: Cross multiply
    3,863.13x = 5,792.14 × 1,397.63
  4. Step 4: Simplify right side
    3,863.13x = 8,095,232.68
  5. Step 5: Solve for x
    x = 8,095,232.68/3,863.13
  6. Step 6: Final answer
    x = 2,095.51

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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.