Home / 5,825.88-8,030.34-3,936.87

Finding the Fourth Proportional to 5,825.88, 8,030.34 and 3,936.87

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Solution

The fourth proportional to 5,825.88, 8,030.34 and 3,936.87 is: 5,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.88 : 8,030.34 = 3,936.87 : x
  2. Step 2: Convert to fraction form
    5,825.88/8,030.34 = 3,936.87/x
  3. Step 3: Cross multiply
    5,825.88x = 8,030.34 × 3,936.87
  4. Step 4: Simplify right side
    5,825.88x = 31,614,404.64
  5. Step 5: Solve for x
    x = 31,614,404.64/5,825.88
  6. Step 6: Final answer
    x = 5,426.55

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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.