Home / 4,039.11-5,583.98-4,002.21

Finding the Fourth Proportional to 4,039.11, 5,583.98 and 4,002.21

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Solution

The fourth proportional to 4,039.11, 5,583.98 and 4,002.21 is: 5,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.11 : 5,583.98 = 4,002.21 : x
  2. Step 2: Convert to fraction form
    4,039.11/5,583.98 = 4,002.21/x
  3. Step 3: Cross multiply
    4,039.11x = 5,583.98 × 4,002.21
  4. Step 4: Simplify right side
    4,039.11x = 22,348,270.60
  5. Step 5: Solve for x
    x = 22,348,270.60/4,039.11
  6. Step 6: Final answer
    x = 5,532.97

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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.