Home / 4,119.08-5,686.98-3,676.22

Finding the Fourth Proportional to 4,119.08, 5,686.98 and 3,676.22

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Solution

The fourth proportional to 4,119.08, 5,686.98 and 3,676.22 is: 5,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.08 : 5,686.98 = 3,676.22 : x
  2. Step 2: Convert to fraction form
    4,119.08/5,686.98 = 3,676.22/x
  3. Step 3: Cross multiply
    4,119.08x = 5,686.98 × 3,676.22
  4. Step 4: Simplify right side
    4,119.08x = 20,906,589.62
  5. Step 5: Solve for x
    x = 20,906,589.62/4,119.08
  6. Step 6: Final answer
    x = 5,075.55

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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.