Home / 5,838.78-8,760.60-3,503.28

Finding the Fourth Proportional to 5,838.78, 8,760.60 and 3,503.28

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Solution

The fourth proportional to 5,838.78, 8,760.60 and 3,503.28 is: 5,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.78 : 8,760.60 = 3,503.28 : x
  2. Step 2: Convert to fraction form
    5,838.78/8,760.60 = 3,503.28/x
  3. Step 3: Cross multiply
    5,838.78x = 8,760.60 × 3,503.28
  4. Step 4: Simplify right side
    5,838.78x = 30,690,834.77
  5. Step 5: Solve for x
    x = 30,690,834.77/5,838.78
  6. Step 6: Final answer
    x = 5,256.38

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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.