Home / 5,410.52-8,116.62-1,712.39

Finding the Fourth Proportional to 5,410.52, 8,116.62 and 1,712.39

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Solution

The fourth proportional to 5,410.52, 8,116.62 and 1,712.39 is: 2,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.52 : 8,116.62 = 1,712.39 : x
  2. Step 2: Convert to fraction form
    5,410.52/8,116.62 = 1,712.39/x
  3. Step 3: Cross multiply
    5,410.52x = 8,116.62 × 1,712.39
  4. Step 4: Simplify right side
    5,410.52x = 13,898,810.36
  5. Step 5: Solve for x
    x = 13,898,810.36/5,410.52
  6. Step 6: Final answer
    x = 2,568.85

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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.