Home / 2,701.11-4,051.76-945.76

Finding the Fourth Proportional to 2,701.11, 4,051.76 and 945.76

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Solution

The fourth proportional to 2,701.11, 4,051.76 and 945.76 is: 1,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.11 : 4,051.76 = 945.76 : x
  2. Step 2: Convert to fraction form
    2,701.11/4,051.76 = 945.76/x
  3. Step 3: Cross multiply
    2,701.11x = 4,051.76 × 945.76
  4. Step 4: Simplify right side
    2,701.11x = 3,831,992.54
  5. Step 5: Solve for x
    x = 3,831,992.54/2,701.11
  6. Step 6: Final answer
    x = 1,418.67

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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.