Home / 5,284.88-7,914.72-3,170.60

Finding the Fourth Proportional to 5,284.88, 7,914.72 and 3,170.60

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Solution

The fourth proportional to 5,284.88, 7,914.72 and 3,170.60 is: 4,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.88 : 7,914.72 = 3,170.60 : x
  2. Step 2: Convert to fraction form
    5,284.88/7,914.72 = 3,170.60/x
  3. Step 3: Cross multiply
    5,284.88x = 7,914.72 × 3,170.60
  4. Step 4: Simplify right side
    5,284.88x = 25,094,411.23
  5. Step 5: Solve for x
    x = 25,094,411.23/5,284.88
  6. Step 6: Final answer
    x = 4,748.34

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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.