Home / 5,112.86-7,054.05-4,167.03

Finding the Fourth Proportional to 5,112.86, 7,054.05 and 4,167.03

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Solution

The fourth proportional to 5,112.86, 7,054.05 and 4,167.03 is: 5,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.86 : 7,054.05 = 4,167.03 : x
  2. Step 2: Convert to fraction form
    5,112.86/7,054.05 = 4,167.03/x
  3. Step 3: Cross multiply
    5,112.86x = 7,054.05 × 4,167.03
  4. Step 4: Simplify right side
    5,112.86x = 29,394,412.31
  5. Step 5: Solve for x
    x = 29,394,412.31/5,112.86
  6. Step 6: Final answer
    x = 5,749.11

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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.