Home / 5,631.99-8,435.69-2,853.90

Finding the Fourth Proportional to 5,631.99, 8,435.69 and 2,853.90

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Solution

The fourth proportional to 5,631.99, 8,435.69 and 2,853.90 is: 4,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.99 : 8,435.69 = 2,853.90 : x
  2. Step 2: Convert to fraction form
    5,631.99/8,435.69 = 2,853.90/x
  3. Step 3: Cross multiply
    5,631.99x = 8,435.69 × 2,853.90
  4. Step 4: Simplify right side
    5,631.99x = 24,074,601.42
  5. Step 5: Solve for x
    x = 24,074,601.42/5,631.99
  6. Step 6: Final answer
    x = 4,274.62

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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.