Home / 2,791.42-4,187.13-1,060.05

Finding the Fourth Proportional to 2,791.42, 4,187.13 and 1,060.05

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Solution

The fourth proportional to 2,791.42, 4,187.13 and 1,060.05 is: 1,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.42 : 4,187.13 = 1,060.05 : x
  2. Step 2: Convert to fraction form
    2,791.42/4,187.13 = 1,060.05/x
  3. Step 3: Cross multiply
    2,791.42x = 4,187.13 × 1,060.05
  4. Step 4: Simplify right side
    2,791.42x = 4,438,567.16
  5. Step 5: Solve for x
    x = 4,438,567.16/2,791.42
  6. Step 6: Final answer
    x = 1,590.08

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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.