Home / 5,110.55-7,053.14-2,842.11

Finding the Fourth Proportional to 5,110.55, 7,053.14 and 2,842.11

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Solution

The fourth proportional to 5,110.55, 7,053.14 and 2,842.11 is: 3,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.55 : 7,053.14 = 2,842.11 : x
  2. Step 2: Convert to fraction form
    5,110.55/7,053.14 = 2,842.11/x
  3. Step 3: Cross multiply
    5,110.55x = 7,053.14 × 2,842.11
  4. Step 4: Simplify right side
    5,110.55x = 20,045,827.95
  5. Step 5: Solve for x
    x = 20,045,827.95/5,110.55
  6. Step 6: Final answer
    x = 3,922.44

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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.