Home / 5,708.42-7,877.59-3,190.52

Finding the Fourth Proportional to 5,708.42, 7,877.59 and 3,190.52

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Solution

The fourth proportional to 5,708.42, 7,877.59 and 3,190.52 is: 4,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.42 : 7,877.59 = 3,190.52 : x
  2. Step 2: Convert to fraction form
    5,708.42/7,877.59 = 3,190.52/x
  3. Step 3: Cross multiply
    5,708.42x = 7,877.59 × 3,190.52
  4. Step 4: Simplify right side
    5,708.42x = 25,133,620.16
  5. Step 5: Solve for x
    x = 25,133,620.16/5,708.42
  6. Step 6: Final answer
    x = 4,402.91

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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.