Home / 3,190.59-4,403.00-1,774.23

Finding the Fourth Proportional to 3,190.59, 4,403.00 and 1,774.23

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Solution

The fourth proportional to 3,190.59, 4,403.00 and 1,774.23 is: 2,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.59 : 4,403.00 = 1,774.23 : x
  2. Step 2: Convert to fraction form
    3,190.59/4,403.00 = 1,774.23/x
  3. Step 3: Cross multiply
    3,190.59x = 4,403.00 × 1,774.23
  4. Step 4: Simplify right side
    3,190.59x = 7,811,922.61
  5. Step 5: Solve for x
    x = 7,811,922.61/3,190.59
  6. Step 6: Final answer
    x = 2,448.43

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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.