Home / 4,258.37-5,874.66-2,489.20

Finding the Fourth Proportional to 4,258.37, 5,874.66 and 2,489.20

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Solution

The fourth proportional to 4,258.37, 5,874.66 and 2,489.20 is: 3,433.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.37 : 5,874.66 = 2,489.20 : x
  2. Step 2: Convert to fraction form
    4,258.37/5,874.66 = 2,489.20/x
  3. Step 3: Cross multiply
    4,258.37x = 5,874.66 × 2,489.20
  4. Step 4: Simplify right side
    4,258.37x = 14,623,188.99
  5. Step 5: Solve for x
    x = 14,623,188.99/4,258.37
  6. Step 6: Final answer
    x = 3,433.99

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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.