Home / 1,932.15-2,663.85-1,577.71

Finding the Fourth Proportional to 1,932.15, 2,663.85 and 1,577.71

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Solution

The fourth proportional to 1,932.15, 2,663.85 and 1,577.71 is: 2,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.15 : 2,663.85 = 1,577.71 : x
  2. Step 2: Convert to fraction form
    1,932.15/2,663.85 = 1,577.71/x
  3. Step 3: Cross multiply
    1,932.15x = 2,663.85 × 1,577.71
  4. Step 4: Simplify right side
    1,932.15x = 4,202,792.03
  5. Step 5: Solve for x
    x = 4,202,792.03/1,932.15
  6. Step 6: Final answer
    x = 2,175.19

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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.