Home / 5,299.13-7,942.64-2,521.86

Finding the Fourth Proportional to 5,299.13, 7,942.64 and 2,521.86

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Solution

The fourth proportional to 5,299.13, 7,942.64 and 2,521.86 is: 3,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.13 : 7,942.64 = 2,521.86 : x
  2. Step 2: Convert to fraction form
    5,299.13/7,942.64 = 2,521.86/x
  3. Step 3: Cross multiply
    5,299.13x = 7,942.64 × 2,521.86
  4. Step 4: Simplify right side
    5,299.13x = 20,030,213.50
  5. Step 5: Solve for x
    x = 20,030,213.50/5,299.13
  6. Step 6: Final answer
    x = 3,779.91

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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.