Home / 5,513.12-7,608.12-3,029.12

Finding the Fourth Proportional to 5,513.12, 7,608.12 and 3,029.12

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Solution

The fourth proportional to 5,513.12, 7,608.12 and 3,029.12 is: 4,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.12 : 7,608.12 = 3,029.12 : x
  2. Step 2: Convert to fraction form
    5,513.12/7,608.12 = 3,029.12/x
  3. Step 3: Cross multiply
    5,513.12x = 7,608.12 × 3,029.12
  4. Step 4: Simplify right side
    5,513.12x = 23,045,908.45
  5. Step 5: Solve for x
    x = 23,045,908.45/5,513.12
  6. Step 6: Final answer
    x = 4,180.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.