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Finding the Fourth Proportional to 5,765.94, 7,955.73 and 3,406.86

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Solution

The fourth proportional to 5,765.94, 7,955.73 and 3,406.86 is: 4,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.94 : 7,955.73 = 3,406.86 : x
  2. Step 2: Convert to fraction form
    5,765.94/7,955.73 = 3,406.86/x
  3. Step 3: Cross multiply
    5,765.94x = 7,955.73 × 3,406.86
  4. Step 4: Simplify right side
    5,765.94x = 27,104,058.31
  5. Step 5: Solve for x
    x = 27,104,058.31/5,765.94
  6. Step 6: Final answer
    x = 4,700.72

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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.