Home / 5,838.40-8,056.92-3,185.76

Finding the Fourth Proportional to 5,838.40, 8,056.92 and 3,185.76

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Solution

The fourth proportional to 5,838.40, 8,056.92 and 3,185.76 is: 4,396.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.40 : 8,056.92 = 3,185.76 : x
  2. Step 2: Convert to fraction form
    5,838.40/8,056.92 = 3,185.76/x
  3. Step 3: Cross multiply
    5,838.40x = 8,056.92 × 3,185.76
  4. Step 4: Simplify right side
    5,838.40x = 25,667,437.70
  5. Step 5: Solve for x
    x = 25,667,437.70/5,838.40
  6. Step 6: Final answer
    x = 4,396.31

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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.