Home / 6,135.20-8,466.56-3,340.70

Finding the Fourth Proportional to 6,135.20, 8,466.56 and 3,340.70

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Solution

The fourth proportional to 6,135.20, 8,466.56 and 3,340.70 is: 4,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.20 : 8,466.56 = 3,340.70 : x
  2. Step 2: Convert to fraction form
    6,135.20/8,466.56 = 3,340.70/x
  3. Step 3: Cross multiply
    6,135.20x = 8,466.56 × 3,340.70
  4. Step 4: Simplify right side
    6,135.20x = 28,284,236.99
  5. Step 5: Solve for x
    x = 28,284,236.99/6,135.20
  6. Step 6: Final answer
    x = 4,610.16

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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.