Home / 4,209.72-5,809.39-2,442.35

Finding the Fourth Proportional to 4,209.72, 5,809.39 and 2,442.35

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Solution

The fourth proportional to 4,209.72, 5,809.39 and 2,442.35 is: 3,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.72 : 5,809.39 = 2,442.35 : x
  2. Step 2: Convert to fraction form
    4,209.72/5,809.39 = 2,442.35/x
  3. Step 3: Cross multiply
    4,209.72x = 5,809.39 × 2,442.35
  4. Step 4: Simplify right side
    4,209.72x = 14,188,563.67
  5. Step 5: Solve for x
    x = 14,188,563.67/4,209.72
  6. Step 6: Final answer
    x = 3,370.43

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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.