Home / 5,674.96-7,830.60-3,190.48

Finding the Fourth Proportional to 5,674.96, 7,830.60 and 3,190.48

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Solution

The fourth proportional to 5,674.96, 7,830.60 and 3,190.48 is: 4,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.96 : 7,830.60 = 3,190.48 : x
  2. Step 2: Convert to fraction form
    5,674.96/7,830.60 = 3,190.48/x
  3. Step 3: Cross multiply
    5,674.96x = 7,830.60 × 3,190.48
  4. Step 4: Simplify right side
    5,674.96x = 24,983,372.69
  5. Step 5: Solve for x
    x = 24,983,372.69/5,674.96
  6. Step 6: Final answer
    x = 4,402.39

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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.