Home / 5,931.21-8,185.07-3,573.81

Finding the Fourth Proportional to 5,931.21, 8,185.07 and 3,573.81

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Solution

The fourth proportional to 5,931.21, 8,185.07 and 3,573.81 is: 4,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.21 : 8,185.07 = 3,573.81 : x
  2. Step 2: Convert to fraction form
    5,931.21/8,185.07 = 3,573.81/x
  3. Step 3: Cross multiply
    5,931.21x = 8,185.07 × 3,573.81
  4. Step 4: Simplify right side
    5,931.21x = 29,251,893.95
  5. Step 5: Solve for x
    x = 29,251,893.95/5,931.21
  6. Step 6: Final answer
    x = 4,931.86

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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.