Home / 3,416.36-5,125.95-1,636.52

Finding the Fourth Proportional to 3,416.36, 5,125.95 and 1,636.52

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Solution

The fourth proportional to 3,416.36, 5,125.95 and 1,636.52 is: 2,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.36 : 5,125.95 = 1,636.52 : x
  2. Step 2: Convert to fraction form
    3,416.36/5,125.95 = 1,636.52/x
  3. Step 3: Cross multiply
    3,416.36x = 5,125.95 × 1,636.52
  4. Step 4: Simplify right side
    3,416.36x = 8,388,719.69
  5. Step 5: Solve for x
    x = 8,388,719.69/3,416.36
  6. Step 6: Final answer
    x = 2,455.46

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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.