Home / 7,542.05-10,408.19-4,184.75

Finding the Fourth Proportional to 7,542.05, 10,408.19 and 4,184.75

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Solution

The fourth proportional to 7,542.05, 10,408.19 and 4,184.75 is: 5,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.05 : 10,408.19 = 4,184.75 : x
  2. Step 2: Convert to fraction form
    7,542.05/10,408.19 = 4,184.75/x
  3. Step 3: Cross multiply
    7,542.05x = 10,408.19 × 4,184.75
  4. Step 4: Simplify right side
    7,542.05x = 43,555,652.18
  5. Step 5: Solve for x
    x = 43,555,652.18/7,542.05
  6. Step 6: Final answer
    x = 5,775.05

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Half scale
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Double scale
Find fourth proportional to 7,543.05, 10,409.57 and 4,185.75
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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.