Home / 6,102.37-8,421.26-3,307.87

Finding the Fourth Proportional to 6,102.37, 8,421.26 and 3,307.87

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Solution

The fourth proportional to 6,102.37, 8,421.26 and 3,307.87 is: 4,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.37 : 8,421.26 = 3,307.87 : x
  2. Step 2: Convert to fraction form
    6,102.37/8,421.26 = 3,307.87/x
  3. Step 3: Cross multiply
    6,102.37x = 8,421.26 × 3,307.87
  4. Step 4: Simplify right side
    6,102.37x = 27,856,391.21
  5. Step 5: Solve for x
    x = 27,856,391.21/6,102.37
  6. Step 6: Final answer
    x = 4,564.85

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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.