Home / 5,374.36-7,416.64-3,137.60

Finding the Fourth Proportional to 5,374.36, 7,416.64 and 3,137.60

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Solution

The fourth proportional to 5,374.36, 7,416.64 and 3,137.60 is: 4,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.36 : 7,416.64 = 3,137.60 : x
  2. Step 2: Convert to fraction form
    5,374.36/7,416.64 = 3,137.60/x
  3. Step 3: Cross multiply
    5,374.36x = 7,416.64 × 3,137.60
  4. Step 4: Simplify right side
    5,374.36x = 23,270,449.66
  5. Step 5: Solve for x
    x = 23,270,449.66/5,374.36
  6. Step 6: Final answer
    x = 4,329.90

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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.