Home / 4,935.66-7,406.52-2,859.78

Finding the Fourth Proportional to 4,935.66, 7,406.52 and 2,859.78

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Solution

The fourth proportional to 4,935.66, 7,406.52 and 2,859.78 is: 4,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.66 : 7,406.52 = 2,859.78 : x
  2. Step 2: Convert to fraction form
    4,935.66/7,406.52 = 2,859.78/x
  3. Step 3: Cross multiply
    4,935.66x = 7,406.52 × 2,859.78
  4. Step 4: Simplify right side
    4,935.66x = 21,181,017.77
  5. Step 5: Solve for x
    x = 21,181,017.77/4,935.66
  6. Step 6: Final answer
    x = 4,291.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.