Home / 5,708.48-7,877.21-3,190.37

Finding the Fourth Proportional to 5,708.48, 7,877.21 and 3,190.37

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Solution

The fourth proportional to 5,708.48, 7,877.21 and 3,190.37 is: 4,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.48 : 7,877.21 = 3,190.37 : x
  2. Step 2: Convert to fraction form
    5,708.48/7,877.21 = 3,190.37/x
  3. Step 3: Cross multiply
    5,708.48x = 7,877.21 × 3,190.37
  4. Step 4: Simplify right side
    5,708.48x = 25,131,159.13
  5. Step 5: Solve for x
    x = 25,131,159.13/5,708.48
  6. Step 6: Final answer
    x = 4,402.43

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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.