Home / 5,276.19-7,907.30-2,805.69

Finding the Fourth Proportional to 5,276.19, 7,907.30 and 2,805.69

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Solution

The fourth proportional to 5,276.19, 7,907.30 and 2,805.69 is: 4,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.19 : 7,907.30 = 2,805.69 : x
  2. Step 2: Convert to fraction form
    5,276.19/7,907.30 = 2,805.69/x
  3. Step 3: Cross multiply
    5,276.19x = 7,907.30 × 2,805.69
  4. Step 4: Simplify right side
    5,276.19x = 22,185,418.51
  5. Step 5: Solve for x
    x = 22,185,418.51/5,276.19
  6. Step 6: Final answer
    x = 4,204.82

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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.