Home / 5,631.84-8,445.20-1,933.04

Finding the Fourth Proportional to 5,631.84, 8,445.20 and 1,933.04

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Solution

The fourth proportional to 5,631.84, 8,445.20 and 1,933.04 is: 2,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.84 : 8,445.20 = 1,933.04 : x
  2. Step 2: Convert to fraction form
    5,631.84/8,445.20 = 1,933.04/x
  3. Step 3: Cross multiply
    5,631.84x = 8,445.20 × 1,933.04
  4. Step 4: Simplify right side
    5,631.84x = 16,324,909.41
  5. Step 5: Solve for x
    x = 16,324,909.41/5,631.84
  6. Step 6: Final answer
    x = 2,898.68

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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.