Home / 4,534.33-6,787.23-3,120.47

Finding the Fourth Proportional to 4,534.33, 6,787.23 and 3,120.47

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Solution

The fourth proportional to 4,534.33, 6,787.23 and 3,120.47 is: 4,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,534.33 : 6,787.23 = 3,120.47 : x
  2. Step 2: Convert to fraction form
    4,534.33/6,787.23 = 3,120.47/x
  3. Step 3: Cross multiply
    4,534.33x = 6,787.23 × 3,120.47
  4. Step 4: Simplify right side
    4,534.33x = 21,179,347.60
  5. Step 5: Solve for x
    x = 21,179,347.60/4,534.33
  6. Step 6: Final answer
    x = 4,670.89

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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.