Home / 5,591.40-8,379.81-2,300.78

Finding the Fourth Proportional to 5,591.40, 8,379.81 and 2,300.78

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Solution

The fourth proportional to 5,591.40, 8,379.81 and 2,300.78 is: 3,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.40 : 8,379.81 = 2,300.78 : x
  2. Step 2: Convert to fraction form
    5,591.40/8,379.81 = 2,300.78/x
  3. Step 3: Cross multiply
    5,591.40x = 8,379.81 × 2,300.78
  4. Step 4: Simplify right side
    5,591.40x = 19,280,057.35
  5. Step 5: Solve for x
    x = 19,280,057.35/5,591.40
  6. Step 6: Final answer
    x = 3,448.16

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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.