Home / 3,050.85-4,209.84-1,724.25

Finding the Fourth Proportional to 3,050.85, 4,209.84 and 1,724.25

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Solution

The fourth proportional to 3,050.85, 4,209.84 and 1,724.25 is: 2,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.85 : 4,209.84 = 1,724.25 : x
  2. Step 2: Convert to fraction form
    3,050.85/4,209.84 = 1,724.25/x
  3. Step 3: Cross multiply
    3,050.85x = 4,209.84 × 1,724.25
  4. Step 4: Simplify right side
    3,050.85x = 7,258,816.62
  5. Step 5: Solve for x
    x = 7,258,816.62/3,050.85
  6. Step 6: Final answer
    x = 2,379.28

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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.