Home / 7,542.19-10,408.46-4,185.25

Finding the Fourth Proportional to 7,542.19, 10,408.46 and 4,185.25

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Solution

The fourth proportional to 7,542.19, 10,408.46 and 4,185.25 is: 5,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.19 : 10,408.46 = 4,185.25 : x
  2. Step 2: Convert to fraction form
    7,542.19/10,408.46 = 4,185.25/x
  3. Step 3: Cross multiply
    7,542.19x = 10,408.46 × 4,185.25
  4. Step 4: Simplify right side
    7,542.19x = 43,562,007.22
  5. Step 5: Solve for x
    x = 43,562,007.22/7,542.19
  6. Step 6: Final answer
    x = 5,775.78

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Half scale
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Double scale
Find fourth proportional to 7,543.19, 10,409.84 and 4,186.25
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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.