Home / 6,101.59-8,420.19-3,307.09

Finding the Fourth Proportional to 6,101.59, 8,420.19 and 3,307.09

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Solution

The fourth proportional to 6,101.59, 8,420.19 and 3,307.09 is: 4,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.59 : 8,420.19 = 3,307.09 : x
  2. Step 2: Convert to fraction form
    6,101.59/8,420.19 = 3,307.09/x
  3. Step 3: Cross multiply
    6,101.59x = 8,420.19 × 3,307.09
  4. Step 4: Simplify right side
    6,101.59x = 27,846,326.15
  5. Step 5: Solve for x
    x = 27,846,326.15/6,101.59
  6. Step 6: Final answer
    x = 4,563.78

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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.