Home / 5,103.91-7,042.14-3,113.74

Finding the Fourth Proportional to 5,103.91, 7,042.14 and 3,113.74

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Solution

The fourth proportional to 5,103.91, 7,042.14 and 3,113.74 is: 4,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.91 : 7,042.14 = 3,113.74 : x
  2. Step 2: Convert to fraction form
    5,103.91/7,042.14 = 3,113.74/x
  3. Step 3: Cross multiply
    5,103.91x = 7,042.14 × 3,113.74
  4. Step 4: Simplify right side
    5,103.91x = 21,927,401.81
  5. Step 5: Solve for x
    x = 21,927,401.81/5,103.91
  6. Step 6: Final answer
    x = 4,296.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.