Home / 5,931.85-8,186.01-3,243.15

Finding the Fourth Proportional to 5,931.85, 8,186.01 and 3,243.15

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Solution

The fourth proportional to 5,931.85, 8,186.01 and 3,243.15 is: 4,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.85 : 8,186.01 = 3,243.15 : x
  2. Step 2: Convert to fraction form
    5,931.85/8,186.01 = 3,243.15/x
  3. Step 3: Cross multiply
    5,931.85x = 8,186.01 × 3,243.15
  4. Step 4: Simplify right side
    5,931.85x = 26,548,458.33
  5. Step 5: Solve for x
    x = 26,548,458.33/5,931.85
  6. Step 6: Final answer
    x = 4,475.58

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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.