Home / 5,513.10-8,269.50-1,353.08

Finding the Fourth Proportional to 5,513.10, 8,269.50 and 1,353.08

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Solution

The fourth proportional to 5,513.10, 8,269.50 and 1,353.08 is: 2,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.10 : 8,269.50 = 1,353.08 : x
  2. Step 2: Convert to fraction form
    5,513.10/8,269.50 = 1,353.08/x
  3. Step 3: Cross multiply
    5,513.10x = 8,269.50 × 1,353.08
  4. Step 4: Simplify right side
    5,513.10x = 11,189,295.06
  5. Step 5: Solve for x
    x = 11,189,295.06/5,513.10
  6. Step 6: Final answer
    x = 2,029.58

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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.