Home / 7,642.05-11,462.68-2,095.30

Finding the Fourth Proportional to 7,642.05, 11,462.68 and 2,095.30

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Solution

The fourth proportional to 7,642.05, 11,462.68 and 2,095.30 is: 3,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.05 : 11,462.68 = 2,095.30 : x
  2. Step 2: Convert to fraction form
    7,642.05/11,462.68 = 2,095.30/x
  3. Step 3: Cross multiply
    7,642.05x = 11,462.68 × 2,095.30
  4. Step 4: Simplify right side
    7,642.05x = 24,017,753.40
  5. Step 5: Solve for x
    x = 24,017,753.40/7,642.05
  6. Step 6: Final answer
    x = 3,142.84

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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.