Home / 7,542.48-10,408.56-4,185.36

Finding the Fourth Proportional to 7,542.48, 10,408.56 and 4,185.36

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Solution

The fourth proportional to 7,542.48, 10,408.56 and 4,185.36 is: 5,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.48 : 10,408.56 = 4,185.36 : x
  2. Step 2: Convert to fraction form
    7,542.48/10,408.56 = 4,185.36/x
  3. Step 3: Cross multiply
    7,542.48x = 10,408.56 × 4,185.36
  4. Step 4: Simplify right side
    7,542.48x = 43,563,570.68
  5. Step 5: Solve for x
    x = 43,563,570.68/7,542.48
  6. Step 6: Final answer
    x = 5,775.76

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Half scale
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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.