Home / 5,270.49-7,272.56-3,146.27

Finding the Fourth Proportional to 5,270.49, 7,272.56 and 3,146.27

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Solution

The fourth proportional to 5,270.49, 7,272.56 and 3,146.27 is: 4,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.49 : 7,272.56 = 3,146.27 : x
  2. Step 2: Convert to fraction form
    5,270.49/7,272.56 = 3,146.27/x
  3. Step 3: Cross multiply
    5,270.49x = 7,272.56 × 3,146.27
  4. Step 4: Simplify right side
    5,270.49x = 22,881,408.85
  5. Step 5: Solve for x
    x = 22,881,408.85/5,270.49
  6. Step 6: Final answer
    x = 4,341.42

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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.