Home / 4,589.04-6,874.40-2,120.36

Finding the Fourth Proportional to 4,589.04, 6,874.40 and 2,120.36

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Solution

The fourth proportional to 4,589.04, 6,874.40 and 2,120.36 is: 3,176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589.04 : 6,874.40 = 2,120.36 : x
  2. Step 2: Convert to fraction form
    4,589.04/6,874.40 = 2,120.36/x
  3. Step 3: Cross multiply
    4,589.04x = 6,874.40 × 2,120.36
  4. Step 4: Simplify right side
    4,589.04x = 14,576,202.78
  5. Step 5: Solve for x
    x = 14,576,202.78/4,589.04
  6. Step 6: Final answer
    x = 3,176.31

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1.5x scale

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.