Home / 3,447.52-4,755.03-2,187.49

Finding the Fourth Proportional to 3,447.52, 4,755.03 and 2,187.49

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Solution

The fourth proportional to 3,447.52, 4,755.03 and 2,187.49 is: 3,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.52 : 4,755.03 = 2,187.49 : x
  2. Step 2: Convert to fraction form
    3,447.52/4,755.03 = 2,187.49/x
  3. Step 3: Cross multiply
    3,447.52x = 4,755.03 × 2,187.49
  4. Step 4: Simplify right side
    3,447.52x = 10,401,580.57
  5. Step 5: Solve for x
    x = 10,401,580.57/3,447.52
  6. Step 6: Final answer
    x = 3,017.12

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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.