Home / 7,927.92-11,890.08-3,542.52

Finding the Fourth Proportional to 7,927.92, 11,890.08 and 3,542.52

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Solution

The fourth proportional to 7,927.92, 11,890.08 and 3,542.52 is: 5,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.92 : 11,890.08 = 3,542.52 : x
  2. Step 2: Convert to fraction form
    7,927.92/11,890.08 = 3,542.52/x
  3. Step 3: Cross multiply
    7,927.92x = 11,890.08 × 3,542.52
  4. Step 4: Simplify right side
    7,927.92x = 42,120,846.20
  5. Step 5: Solve for x
    x = 42,120,846.20/7,927.92
  6. Step 6: Final answer
    x = 5,312.98

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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.