Home / 5,571.02-7,687.77-3,331.57

Finding the Fourth Proportional to 5,571.02, 7,687.77 and 3,331.57

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Solution

The fourth proportional to 5,571.02, 7,687.77 and 3,331.57 is: 4,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.02 : 7,687.77 = 3,331.57 : x
  2. Step 2: Convert to fraction form
    5,571.02/7,687.77 = 3,331.57/x
  3. Step 3: Cross multiply
    5,571.02x = 7,687.77 × 3,331.57
  4. Step 4: Simplify right side
    5,571.02x = 25,612,343.90
  5. Step 5: Solve for x
    x = 25,612,343.90/5,571.02
  6. Step 6: Final answer
    x = 4,597.42

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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.