Home / 5,708.60-7,877.48-3,190.58

Finding the Fourth Proportional to 5,708.60, 7,877.48 and 3,190.58

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Solution

The fourth proportional to 5,708.60, 7,877.48 and 3,190.58 is: 4,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.60 : 7,877.48 = 3,190.58 : x
  2. Step 2: Convert to fraction form
    5,708.60/7,877.48 = 3,190.58/x
  3. Step 3: Cross multiply
    5,708.60x = 7,877.48 × 3,190.58
  4. Step 4: Simplify right side
    5,708.60x = 25,133,674.80
  5. Step 5: Solve for x
    x = 25,133,674.80/5,708.60
  6. Step 6: Final answer
    x = 4,402.78

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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.