Home / 5,702.12-7,867.87-3,933.08

Finding the Fourth Proportional to 5,702.12, 7,867.87 and 3,933.08

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Solution

The fourth proportional to 5,702.12, 7,867.87 and 3,933.08 is: 5,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,702.12 : 7,867.87 = 3,933.08 : x
  2. Step 2: Convert to fraction form
    5,702.12/7,867.87 = 3,933.08/x
  3. Step 3: Cross multiply
    5,702.12x = 7,867.87 × 3,933.08
  4. Step 4: Simplify right side
    5,702.12x = 30,944,912.97
  5. Step 5: Solve for x
    x = 30,944,912.97/5,702.12
  6. Step 6: Final answer
    x = 5,426.92

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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.