Home / 5,937.76-8,190.54-3,921.19

Finding the Fourth Proportional to 5,937.76, 8,190.54 and 3,921.19

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Solution

The fourth proportional to 5,937.76, 8,190.54 and 3,921.19 is: 5,408.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,937.76 : 8,190.54 = 3,921.19 : x
  2. Step 2: Convert to fraction form
    5,937.76/8,190.54 = 3,921.19/x
  3. Step 3: Cross multiply
    5,937.76x = 8,190.54 × 3,921.19
  4. Step 4: Simplify right side
    5,937.76x = 32,116,663.54
  5. Step 5: Solve for x
    x = 32,116,663.54/5,937.76
  6. Step 6: Final answer
    x = 5,408.89

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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.