Home / 7,742.59-10,679.11-4,760.03

Finding the Fourth Proportional to 7,742.59, 10,679.11 and 4,760.03

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Solution

The fourth proportional to 7,742.59, 10,679.11 and 4,760.03 is: 6,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.59 : 10,679.11 = 4,760.03 : x
  2. Step 2: Convert to fraction form
    7,742.59/10,679.11 = 4,760.03/x
  3. Step 3: Cross multiply
    7,742.59x = 10,679.11 × 4,760.03
  4. Step 4: Simplify right side
    7,742.59x = 50,832,898.77
  5. Step 5: Solve for x
    x = 50,832,898.77/7,742.59
  6. Step 6: Final answer
    x = 6,565.36

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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.