Home / 4,002.89-5,523.66-2,409.80

Finding the Fourth Proportional to 4,002.89, 5,523.66 and 2,409.80

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Solution

The fourth proportional to 4,002.89, 5,523.66 and 2,409.80 is: 3,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.89 : 5,523.66 = 2,409.80 : x
  2. Step 2: Convert to fraction form
    4,002.89/5,523.66 = 2,409.80/x
  3. Step 3: Cross multiply
    4,002.89x = 5,523.66 × 2,409.80
  4. Step 4: Simplify right side
    4,002.89x = 13,310,888.25
  5. Step 5: Solve for x
    x = 13,310,888.25/4,002.89
  6. Step 6: Final answer
    x = 3,325.32

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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.