Home / 4,177.81-5,765.38-2,289.52

Finding the Fourth Proportional to 4,177.81, 5,765.38 and 2,289.52

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Solution

The fourth proportional to 4,177.81, 5,765.38 and 2,289.52 is: 3,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.81 : 5,765.38 = 2,289.52 : x
  2. Step 2: Convert to fraction form
    4,177.81/5,765.38 = 2,289.52/x
  3. Step 3: Cross multiply
    4,177.81x = 5,765.38 × 2,289.52
  4. Step 4: Simplify right side
    4,177.81x = 13,199,912.54
  5. Step 5: Solve for x
    x = 13,199,912.54/4,177.81
  6. Step 6: Final answer
    x = 3,159.53

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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.