Home / 3,630.45-5,011.56-2,453.12

Finding the Fourth Proportional to 3,630.45, 5,011.56 and 2,453.12

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Solution

The fourth proportional to 3,630.45, 5,011.56 and 2,453.12 is: 3,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.45 : 5,011.56 = 2,453.12 : x
  2. Step 2: Convert to fraction form
    3,630.45/5,011.56 = 2,453.12/x
  3. Step 3: Cross multiply
    3,630.45x = 5,011.56 × 2,453.12
  4. Step 4: Simplify right side
    3,630.45x = 12,293,933.01
  5. Step 5: Solve for x
    x = 12,293,933.01/3,630.45
  6. Step 6: Final answer
    x = 3,386.34

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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.