Home / 5,106.12-7,044.90-2,867.76

Finding the Fourth Proportional to 5,106.12, 7,044.90 and 2,867.76

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Solution

The fourth proportional to 5,106.12, 7,044.90 and 2,867.76 is: 3,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.12 : 7,044.90 = 2,867.76 : x
  2. Step 2: Convert to fraction form
    5,106.12/7,044.90 = 2,867.76/x
  3. Step 3: Cross multiply
    5,106.12x = 7,044.90 × 2,867.76
  4. Step 4: Simplify right side
    5,106.12x = 20,203,082.42
  5. Step 5: Solve for x
    x = 20,203,082.42/5,106.12
  6. Step 6: Final answer
    x = 3,956.64

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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.