Home / 3,747.97-5,172.87-2,235.63

Finding the Fourth Proportional to 3,747.97, 5,172.87 and 2,235.63

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Solution

The fourth proportional to 3,747.97, 5,172.87 and 2,235.63 is: 3,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.97 : 5,172.87 = 2,235.63 : x
  2. Step 2: Convert to fraction form
    3,747.97/5,172.87 = 2,235.63/x
  3. Step 3: Cross multiply
    3,747.97x = 5,172.87 × 2,235.63
  4. Step 4: Simplify right side
    3,747.97x = 11,564,612.34
  5. Step 5: Solve for x
    x = 11,564,612.34/3,747.97
  6. Step 6: Final answer
    x = 3,085.57

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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.