Home / 2,078.19-2,859.30-1,577.93

Finding the Fourth Proportional to 2,078.19, 2,859.30 and 1,577.93

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Solution

The fourth proportional to 2,078.19, 2,859.30 and 1,577.93 is: 2,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078.19 : 2,859.30 = 1,577.93 : x
  2. Step 2: Convert to fraction form
    2,078.19/2,859.30 = 1,577.93/x
  3. Step 3: Cross multiply
    2,078.19x = 2,859.30 × 1,577.93
  4. Step 4: Simplify right side
    2,078.19x = 4,511,760.95
  5. Step 5: Solve for x
    x = 4,511,760.95/2,078.19
  6. Step 6: Final answer
    x = 2,171.01

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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.