Home / 3,116.76-4,675.14-2,926.68

Finding the Fourth Proportional to 3,116.76, 4,675.14 and 2,926.68

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Solution

The fourth proportional to 3,116.76, 4,675.14 and 2,926.68 is: 4,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.76 : 4,675.14 = 2,926.68 : x
  2. Step 2: Convert to fraction form
    3,116.76/4,675.14 = 2,926.68/x
  3. Step 3: Cross multiply
    3,116.76x = 4,675.14 × 2,926.68
  4. Step 4: Simplify right side
    3,116.76x = 13,682,638.74
  5. Step 5: Solve for x
    x = 13,682,638.74/3,116.76
  6. Step 6: Final answer
    x = 4,390.02

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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.