Home / 4,747.34-7,114.81-3,435.51

Finding the Fourth Proportional to 4,747.34, 7,114.81 and 3,435.51

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Solution

The fourth proportional to 4,747.34, 7,114.81 and 3,435.51 is: 5,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.34 : 7,114.81 = 3,435.51 : x
  2. Step 2: Convert to fraction form
    4,747.34/7,114.81 = 3,435.51/x
  3. Step 3: Cross multiply
    4,747.34x = 7,114.81 × 3,435.51
  4. Step 4: Simplify right side
    4,747.34x = 24,443,000.90
  5. Step 5: Solve for x
    x = 24,443,000.90/4,747.34
  6. Step 6: Final answer
    x = 5,148.78

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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.