Home / 7,347.43-10,135.92-4,201.75

Finding the Fourth Proportional to 7,347.43, 10,135.92 and 4,201.75

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Solution

The fourth proportional to 7,347.43, 10,135.92 and 4,201.75 is: 5,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.43 : 10,135.92 = 4,201.75 : x
  2. Step 2: Convert to fraction form
    7,347.43/10,135.92 = 4,201.75/x
  3. Step 3: Cross multiply
    7,347.43x = 10,135.92 × 4,201.75
  4. Step 4: Simplify right side
    7,347.43x = 42,588,601.86
  5. Step 5: Solve for x
    x = 42,588,601.86/7,347.43
  6. Step 6: Final answer
    x = 5,796.39

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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.