Home / 5,187.98-7,787.02-4,907.04

Finding the Fourth Proportional to 5,187.98, 7,787.02 and 4,907.04

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Solution

The fourth proportional to 5,187.98, 7,787.02 and 4,907.04 is: 7,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.98 : 7,787.02 = 4,907.04 : x
  2. Step 2: Convert to fraction form
    5,187.98/7,787.02 = 4,907.04/x
  3. Step 3: Cross multiply
    5,187.98x = 7,787.02 × 4,907.04
  4. Step 4: Simplify right side
    5,187.98x = 38,211,218.62
  5. Step 5: Solve for x
    x = 38,211,218.62/5,187.98
  6. Step 6: Final answer
    x = 7,365.34

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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.