Home / 7,289.72-10,060.17-4,103.90

Finding the Fourth Proportional to 7,289.72, 10,060.17 and 4,103.90

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Solution

The fourth proportional to 7,289.72, 10,060.17 and 4,103.90 is: 5,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.72 : 10,060.17 = 4,103.90 : x
  2. Step 2: Convert to fraction form
    7,289.72/10,060.17 = 4,103.90/x
  3. Step 3: Cross multiply
    7,289.72x = 10,060.17 × 4,103.90
  4. Step 4: Simplify right side
    7,289.72x = 41,285,931.66
  5. Step 5: Solve for x
    x = 41,285,931.66/7,289.72
  6. Step 6: Final answer
    x = 5,663.58

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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.