Home / 5,911.36-8,861.36-2,400.55

Finding the Fourth Proportional to 5,911.36, 8,861.36 and 2,400.55

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Solution

The fourth proportional to 5,911.36, 8,861.36 and 2,400.55 is: 3,598.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.36 : 8,861.36 = 2,400.55 : x
  2. Step 2: Convert to fraction form
    5,911.36/8,861.36 = 2,400.55/x
  3. Step 3: Cross multiply
    5,911.36x = 8,861.36 × 2,400.55
  4. Step 4: Simplify right side
    5,911.36x = 21,272,137.75
  5. Step 5: Solve for x
    x = 21,272,137.75/5,911.36
  6. Step 6: Final answer
    x = 3,598.52

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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.