Home / 5,765.27-7,955.40-3,247.31

Finding the Fourth Proportional to 5,765.27, 7,955.40 and 3,247.31

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Solution

The fourth proportional to 5,765.27, 7,955.40 and 3,247.31 is: 4,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.27 : 7,955.40 = 3,247.31 : x
  2. Step 2: Convert to fraction form
    5,765.27/7,955.40 = 3,247.31/x
  3. Step 3: Cross multiply
    5,765.27x = 7,955.40 × 3,247.31
  4. Step 4: Simplify right side
    5,765.27x = 25,833,610.20
  5. Step 5: Solve for x
    x = 25,833,610.20/5,765.27
  6. Step 6: Final answer
    x = 4,480.91

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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.