Home / 4,177.80-5,765.48-2,314.80

Finding the Fourth Proportional to 4,177.80, 5,765.48 and 2,314.80

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Solution

The fourth proportional to 4,177.80, 5,765.48 and 2,314.80 is: 3,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.80 : 5,765.48 = 2,314.80 : x
  2. Step 2: Convert to fraction form
    4,177.80/5,765.48 = 2,314.80/x
  3. Step 3: Cross multiply
    4,177.80x = 5,765.48 × 2,314.80
  4. Step 4: Simplify right side
    4,177.80x = 13,345,933.10
  5. Step 5: Solve for x
    x = 13,345,933.10/4,177.80
  6. Step 6: Final answer
    x = 3,194.49

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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.