Home / 5,272.61-7,276.14-2,914.70

Finding the Fourth Proportional to 5,272.61, 7,276.14 and 2,914.70

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Solution

The fourth proportional to 5,272.61, 7,276.14 and 2,914.70 is: 4,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.61 : 7,276.14 = 2,914.70 : x
  2. Step 2: Convert to fraction form
    5,272.61/7,276.14 = 2,914.70/x
  3. Step 3: Cross multiply
    5,272.61x = 7,276.14 × 2,914.70
  4. Step 4: Simplify right side
    5,272.61x = 21,207,728.88
  5. Step 5: Solve for x
    x = 21,207,728.88/5,272.61
  6. Step 6: Final answer
    x = 4,022.25

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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.