Home / 5,272.07-7,905.15-2,310.08

Finding the Fourth Proportional to 5,272.07, 7,905.15 and 2,310.08

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Solution

The fourth proportional to 5,272.07, 7,905.15 and 2,310.08 is: 3,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.07 : 7,905.15 = 2,310.08 : x
  2. Step 2: Convert to fraction form
    5,272.07/7,905.15 = 2,310.08/x
  3. Step 3: Cross multiply
    5,272.07x = 7,905.15 × 2,310.08
  4. Step 4: Simplify right side
    5,272.07x = 18,261,489.39
  5. Step 5: Solve for x
    x = 18,261,489.39/5,272.07
  6. Step 6: Final answer
    x = 3,463.82

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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.