Home / 6,135.12-8,466.48-3,340.80

Finding the Fourth Proportional to 6,135.12, 8,466.48 and 3,340.80

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Solution

The fourth proportional to 6,135.12, 8,466.48 and 3,340.80 is: 4,610.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.12 : 8,466.48 = 3,340.80 : x
  2. Step 2: Convert to fraction form
    6,135.12/8,466.48 = 3,340.80/x
  3. Step 3: Cross multiply
    6,135.12x = 8,466.48 × 3,340.80
  4. Step 4: Simplify right side
    6,135.12x = 28,284,816.38
  5. Step 5: Solve for x
    x = 28,284,816.38/6,135.12
  6. Step 6: Final answer
    x = 4,610.31

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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.