Home / 4,512.79-6,768.42-1,225.11

Finding the Fourth Proportional to 4,512.79, 6,768.42 and 1,225.11

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Solution

The fourth proportional to 4,512.79, 6,768.42 and 1,225.11 is: 1,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.79 : 6,768.42 = 1,225.11 : x
  2. Step 2: Convert to fraction form
    4,512.79/6,768.42 = 1,225.11/x
  3. Step 3: Cross multiply
    4,512.79x = 6,768.42 × 1,225.11
  4. Step 4: Simplify right side
    4,512.79x = 8,292,059.03
  5. Step 5: Solve for x
    x = 8,292,059.03/4,512.79
  6. Step 6: Final answer
    x = 1,837.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.