Home / 4,787.55-7,171.76-3,742.35

Finding the Fourth Proportional to 4,787.55, 7,171.76 and 3,742.35

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Solution

The fourth proportional to 4,787.55, 7,171.76 and 3,742.35 is: 5,606.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.55 : 7,171.76 = 3,742.35 : x
  2. Step 2: Convert to fraction form
    4,787.55/7,171.76 = 3,742.35/x
  3. Step 3: Cross multiply
    4,787.55x = 7,171.76 × 3,742.35
  4. Step 4: Simplify right side
    4,787.55x = 26,839,217.32
  5. Step 5: Solve for x
    x = 26,839,217.32/4,787.55
  6. Step 6: Final answer
    x = 5,606.04

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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.